The Ultimate Buyer's Guide for Purchasing Harvester Gearbox
Aug. 11, 2025
Ultimate guide to buying a combine - Farmers Weekly
Some major updates are included in this year’s combine buyer’s guide, not least New Holland’s all-new CR top-end machines.
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Existing CR Evolution and CX combines have also gained some improvements and extra kit.
Case IH, meanwhile, has upgraded the digital tech on its Axial-Flow machines, and Deere has done likewise while also adding more power for its T-Series straw walker and S-Series rotary models.
Claas has an additional Trion variant while Agco’s Ideal, in Fendt and MF guises, gets a power boost.
See also: New Holland CR11 combine takes fight to Deere and Claas
Case IH
While Case IH’s AF11 twin-rotor giant has been grabbing the headlines, alongside the single-rotor AF9 and AF10 being revealed for future harvests, growers needing a more modest harvester will benefit from a number of upgrades to the current 150-series and larger 250-series Axial-Flow combines.
In the re-titled 160-series, the 400hp Axial-Flow physically continues much as before, while the gains a bigger grain tank, enlarged by 1,900 litres to 12,500 litres.
From the operator’s point of view, the new option of AFS Harvest Command automation on these two models should be a welcome update, as it proactively monitors and optimises settings to achieve good grain quality with least losses, based on operator-set targets.
Like other such systems, this tech is reckoned to ease workload for less tiring stints behind the wheel, making more frequent fine-tuning adjustments on the go than a human operator would, and resulting in increased output overall.
It can be especially helpful to inexperienced operators while complementing the skills of a seasoned combine driver, taking care of ground speed, rotor speed, rotor cage vane angle, fan speed and sieve opening.
Photo-imaging and analysis of grain quality and non-grain material in the sample can be added to the package.
Four harvesting strategies emphasise performance, grain quality, maximum throughput and fixed throughput to cater for different priorities, crop conditions and the prevailing weather situation.
AFS Harvest Command is already an option on the 250-series combines, which transition to the 260-series with twin 12in AFS Pro touchscreen displays for easier access to various electronic functions.
For example, one screen mounted high on the front right-hand cab pillar can show satellite guidance while its console-mounted partner provides vehicle info and harvester settings in side-by-side windows.
The new FieldOps platform will replace the AFS Connect telematics interface to provide a simplified but also more comprehensive resource for individual machine, fleet and farm enterprise.
Case IH is also switching to a non-subscription, lifetime installation model for its various on-board and remote digital technologies, including AccuGuide steering and AccuSync in-field sharing of data between harvesters.
Claas
Claas Connect, a new cloud-based digital environment for machine and farm enterprise data recording, guidance management and so on is being rolled out across higher-end Claas products, including the Trion and Lexion combine ranges.
A five-year Connect licence has been standard on these machines since October last year, providing a gateway to Telematics, Remote Service and new Cemis Online File Transfer, the latter enabling GPS Pilot waylines to be set up and transferred wirelessly to the Cemis universal display in the cab.
Adding new combines to a farm’s Connect account will involve little more than scanning a QR code on the machine linked to its individual serial number; and that will give online access to specification details, user manuals, instructional videos, and lubricant and parts information relevant to that machine.
Meanwhile, the Trion straw walker line-up has been expanded a tad with the introduction of the 540 Montana; the level-land version can be equipped with the 3D dynamic top sieve for up to 20% slope compensation while the Montana whole-combine levelling package adds chassis side-to-side levelling up to 18%, and fore-aft up to 6%.
The newcomer shares its spec with the existing 530 Montana but has a 48hp power advantage at 354hp versus 306hp.
Both models are recommended to run with a 6.8m Auto Contour Vario header, which features 700mm of powered fore-aft adjustment of the knife position, with 5m and 6.2m versions suggested as alternatives.
Deutz-Fahr
No changes to the Deutz-Fahr line-up this year, except that all models are listed with Deutz 250hp to 381hp engines.
However, the change is cosmetic only, because Deutz has acquired the rights previously held by engine-maker MTU to adapt and distribute Daimler’s Mercedes-Benz OM truck engines for off-highway applications.
Fendt
The only change to Fendt’s straw walker combines listing is that the tracked version of the 360hp C six-walker harvester has been dropped, leaving the entire line-up running on tyres.
There are updates for the Ideal rotary threshing and separation combines, however, with most models benefiting from tuned-up engines delivering increased maximum power to help maintain performance under heavy load, especially when off-loading the 12,500- or 17,100-litre grain tanks.
The MAN diesel motors give up to 2% more power, the Ideal 7 now peaking at 483hp (up 7hp), the Ideal 8 at 549hp (up 11hp) and the Ideal 9 at 660hp (up 13hp), with increases also in engine torque. The flagship Ideal 10T with TrakRide running gear continues with 790hp.
In addition to the novel left-hand joystick steering option, Trimble AutoGuide can now include TI Headland, a £2,913 hands-free automated guidance feature for turning at the end of each pass, including operator-set cutting table height and reel position transferable to other Ideal combines using a USB memory stick.
Cutting table options for the Ideal 9T TrakRide and Ideal 10T TrakRide now go to a 13.7m Geringhoff or MacDon for added output.
John Deere
A new cab, increased digital tech options and greater commonality of parts across the full line-up are among the key updates for John Deere straw walker and single-rotor combines.
Together with engine changes bringing more power for added performance and fuel economy, the updates have prompted a change of identity and model numbering.
Additional variants for the T5 (formerly T500) line-up mean there are now four models instead of three, with HillMaster versions available in each case and tracks in place of wheels being available for the two most powerful versions.
Peak power outputs available from Harvest IPM boost when unloading grain tanks on the move kick-off at 305hp (up 5hp), include the T5 500 with 348hp and T5 600 with 387hp (also up 5hp), and feature the new range-topping T5 700 with 421hp – up 39hp or 10% on the previous highest output.
Similarly, the T6 (previously T600) line-up has a new entry-level model in the T6 500 with 348hp peak output, while the T6 700 now goes to 466hp and the range-leading T6 800 gets a near 4% or 17hp gain at 466hp.
Combines from the T5 500 upwards feature Deere’s new JD9X engine, which features HarvestMotion engine speed management when coupled to the optional 40kph ProDrive auto-shifting two-range hydrostatic transmission.
This function reduces revs from 2,000 to 1,600rpm during road travel when topography allows, and down to 1,200rpm when waiting at road junctions or traffic lights.
Alternatively, there are 30kph three-range manual- and electric-shift transmissions available.
The single-rotor S-Series combines have also received some upgrades, not least in the engine compartment where the JD9X and JD14X engines bring power and torque upgrades and the HarvestMotion engine speed management.
Peak power, again available when unloading on the move, shifts upwards by 7-9hp in most cases, with the S7 700 gaining an 18hp or 4% increase from 449hp to 467hp.
Adopting the new cab first installed on the X9 twin-rotor combines for the T5, T6 and S7 ranges has not only brought new comfort and technology standards to those machines but also a much-increased commonality of parts across the range.
With the electrically latched doors shut tight, operators are presented with the CommandPro joystick with its operator-allocated button functions and the faster-responding 12.8in G5 Plus display.
This can be supplemented by a second unit for precision farming applications such as AutoTrac guidance, Machine Sync – which gives the combine operator control of a tractor and trailer running alongside – NIR grain analysis and so on.
Harvest Settings Automation becomes available for all, as does Ground Speed Automation, which responds to terrain maps and grain losses, and the new Predictive version that refers to biomass maps and crop height measurement to calculate crop volume and the need to slow down or the opportunity to speed up.
Massey Ferguson
While MF’s Activa, Activa S and Beta straw walker combines continue unchanged, the Ideal rotary threshing and separation machines get the performance benefits that come from increased power.
The range-topping twin-rotor Ideal 9 gets a 13hp increase to 660hp with the power boost active for unloading on the move, and the similar Ideal 8 with the same MAN engine now has 549hp.
This is an 11hp gain to match the Ideal 9’s 2% increase, while the retuned Agco Power engine in the single-rotor Ideal 7 supplies a near 1.5% or 7hp gain.
New Holland
A fresh appearance with re-styled body panels distinguishes the latest CX straw walker and CR Revelation twin-rotor combines, whose operators get some in-cab comfort upgrades, as well as new tech and running gear for selected CR models.
Updates for the CX machines are limited to seating upgrades that include a heated and cooled leather-bound chair, a DAB+ radio giving access to more stations, and an optional set of three cameras feeding views to the in-cab display terminal.
In addition to these items, the CR Revelation combines gain a SmartTrax option for the CR7.90 and new high flotation tyre choices for all versions, comprising VF 620/70 R42 in dual formation, and Goodyear LSW /35 R46 singles.
The adjustable rotor cage vanes that are used to vary crop flow speed through the combine are now available on CR7.80, CR7.90 and CR8.80 combines, having been established on their larger siblings to increase throughout by up to 20% when crop condition allows.
Oats are now included in IntelliSense, the automated settings optimisation system that already supports the operator in wheat, oilseed rape and soyabeans, and the NutriSense crop nutrient analysis package is now a factory-fitted option, enabling higher-value grain to be stored separately to maximise returns.
New Holland also plans to make PLM IntelliSense available on CR Revelation combines, featuring a more advanced touchscreen display with improved 3D mapping, grain condition imaging and analysis, remote display viewing, over-the-air updates, upgraded IntelliSteer guidance, and IntelliField wayline and coverage map sharing with other combines in the field.
For many of the largest growers and contractors, however, more significant is the introduction of the all-new CR10 and CR11 combines, which sport a pair of longer and larger-diameter threshing and separation rotors, bigger grain tanks and more power for up to 100t/hour harvesting potential.
FPT’s 12.9-litre Cursor 13 diesel serves up 635hp for the CR10 combine, and the 15.9-litre version provides 775hp for the CR11 – not quite enough to topple the 790hp Claas Lexion from the top of the engine power charts, but more than any other combine can muster.
Both engines are rated at a relatively low 1,900rpm and run at a fuel-saving 1,300rpm on the road.
The 610mm diameter, 3.6m long rotors with threshing and separation sections are complemented by the unique TwinClean dual cleaning system consisting of two sets of sieves in sequence, fed by a single grain pan, with a longer drop to the first upper sieve exposing the crop to a chaff-flushing airflow.
Variable lateral movement, induced by air pressure sensors, aims to keep the cleaning shoe evenly loaded across slopes of up to 28%, and each section has its own clean grain auger elevating to grain tanks of 16,000 litres on the CR10 and 20,000 litres on the CR11.
Up front, headers from 10.6m to 15m are available in rigid, flexible knife, movable knife and draper formats, with drive options including a CVT unit enabling variable header and feeder speed to suit different crops and harvesting conditions.
The feed roller that divides the crop flow into the two rotors is reversible for the first time, to help clear any blockages, while the rotors themselves are both larger and longer, have new threshing elements, and operate within stepped cages that allows the crop to expand in the separation section for easier grain extraction.
There are regular and fine-cut chopper options integrated into the rear hood, along with wide-spreading discs and oscillating deflectors to get straw and chaff distributed over as wide an area as possible, monitored as an option by radar to regulate spreading offset to one side or the other.
In the cab are two IntelliView 12 touchscreens, with the console-mounted version showing machine settings and performance, while the pillar-mounted twin is geared up for guidance and mapping.
Cameras to the rear, overlooking the grain tank and on the discharge auger, can be upgraded to provide a 360deg bird’s-eye view, and there are more remote-controlled functions than on previous New Holland combines – including rotor, chopper and auger running speeds, rotor and feed drum reversing, and engaging the straw chopper.
On the digital technology front, Core PLM IntelliSense comprises automated internal adjustments to optimise performance according to operator-set targets and parameters, while an Advanced version provides additional functions.
IntelliField software provides real-time in-field data and can share boundaries, guidance lines and coverage data with multiple machines operating in the same field.
Harvest Equipment Buyers' Guide | Potato Grower Magazine
It may seem a ways off now, but before you know it, it’ll be time to get those spuds out of the ground. Harvest is the most exciting—and undoubtedly busiest—time of the year for growers. When the time comes, you’ll want to be sure to be prepared with quality, reliable equipment that will take care of fruits of your labors.
This buyers' guide appears in the June issue of Potato Grower.
Advanced Farm Equipment
(989) 268-
www.lenco-harvesters.com
Wrap-A-Round Harvester
The four-row Wrap-A-Round harvester from Advanced Farm Equipment (the manufacturer of Lenco equipment) features primary and secondary chains, an AFE table with stars, two adjustable smooth rollers, a full-width vine belt with blowers, and a cross conveyor with distribution stars on all turns. A-high powered vine blower is situated in the front left corner for cleaning vines. The Wrap-A-Round also has a 70-bag bin for switching trucks on the go. This harvester digs quickly and cleanly with minimal bruising to the product. It is designed with operator comfort in mind for optimal view of the product flowing through the machine.
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Crary / Lockwood
(800) 247-
www.lockwoodmfg.com
Lockwood 656 Windrower
Growers can help minimize bruising and increase harvest capacity with Lockwood’s 656 windrower. The 656’s heavy-duty, parallel link trailing third coulters cut through potato vines. Engineering with no steering tie-rod eliminates vine buildup on machine, and the pressure-relieved coulter design allows for more protection and movement. Larger tires improve flotation, pressure-sensing support wheels allow for better depth control, and steerable rear wheels allow for shorter turns.
Rear wheel lift allows for steeper angles on the primary and secondary for increased cleaning. An adjustable rear lift allows the operator to raise or lower the rear of the machine to accommodate changing conditions. Variable speed hydraulic drive on the rear cross helps minimize bruising, and potatoes can be discharge on either the right or left side of the machine to fit growers’ specific needs. The 656 fits 34- to 38-inch row planters.
Dewulf Group
www.dewulfgroup.com
RA Harvester
This offset harvester is a true high-capacity machine in the two-row trailed potato harvester segment and is available in six different versions. The RA makes use of three sieving conveyors, a lower hedgehog unit, a cleaning unit (axial, easy-clean or a sieving module) and an upper hedgehog unit. The R has the largest tire size in its class, keeping ground pressure to an absolute minimum. The harvester is fitted standard with a large bunker capable of unloading on the move.
Kwatro Self-propelled Harvester
The Dewulf Kwatro harvester was the first four-row machine on the market that combined frontal harvesting with a traditional sieving path, hedgehog belt and cleaning modules. The 3-foot-wide tracks and large rear wheel guarantee minimum soil compaction.
R
The R has become a pioneer in the two-row self-propelled sieving harvester segment. Owing to its modular construction, the harvester is available in nine versions. This harvester is equipped with three sieving conveyors, a lower hedgehog unit, a cleaning unit (axial, easy-clean or a sieving module) and an upper hedgehog unit. An optional, quickly interchangeable system for the harvesting unit makes it quick and easy to switch between driven discs or an onion harvesting kit.
Double L
(208) 438-
www.doublelglobal.com
Series Windrower
Double L’s series windrowers are designed to meet the high expectations of the potato industry. A longer secondary chain has raised the bar on speed and capacity. This unique feature gives the series windrower industry-leading performance.
The ’s turning radius has been decreased by positioning the wheels underneath the machine, rather than at the rear. This feature also gives growers a better way to manage their headlands because an operator can back over ditches, mainlines and other obstructions without the risk of damage.
The low tongue weight lightens the load on the tractor’s drawbar and balances the vertical load of the machine on the axle. Double L engineers included 70-inch-wide chain instead of the industry standard 69-inch, effectively increasing the cleaning area and product flow.
Double M Ag & Irrigation
(208) 226-
(208) 397-
www.doublemsupply.com
Elite Red Roller
Double M Ag & Irrigation’s Elite Red Roller is produced with long-lasting internal seals, meaning less dirt adheres to the roller and roller life is extended with reduced debris buildup. This combination provides customers with the most elite roller product in the industry with Double M’s proprietary urethane blend.
Greentronics
(519) 669-
www.greentronics.com
RiteTrace
By automating the record-keeping jobs and precisely logging data for harvest dates, times and locations and where each load is located in storages, the RiteTrace system offers a clear and straightforward method for linking stored produce back to locations in the fields, fulfilling many traceability requirements. It also offers agronomic benefits in allowing growers to track quality in storage back to the field. Reports can be reviewed or made available to shippers and buyers. Data can be used to study and report on efficiencies and traffic flow.
RiteTrace is available as a stand-alone system but can also be purchased in combination with a RiteYield yield monitor. Optional ISOBUS compatibility is available for users who prefer to use their in-cab displays (e.g. John Deere ) to view and access the RiteTrace menus. Please visit for further details.
RiteYield
Greentronics yield monitor systems are easy to implement on potato, carrot, onion, tomato, beet, squash, grape, leafy herbs, and a variety of other vegetable harvesters. It is built around one or more load cells, which are installed in a conveyor belt to measure the weight of the crop as it passes on the belt. Growers use yield maps to study and manage variability in their fields and to generate report cards on their progress.
Greentronics recently added integration with John Deere GS3 displays to its RiteYield yield monitor. The displays and stores yield data in real time and is capable of wireless data transmission using John Deere data technologies. Integration to Trimble FMX and TMX displays has been available for some time.
Kerian Machines Inc.
(701) 352-
www.kerian.com
Kerian Speed Sizer
The Kerian Speed Sizer gently and accurately sorts potatoes by size. It is affordable and proven in use for both round and russet potatoes. With 13 different standard models, the Kerian Speed Sizer can fit just about any application, whether it is a small packing line or a large processing plant. Constantly rotating rollers provide consistent and precise sizing that is fast, gentle, accurate and easily adjustable. All-stainless steel models and stainless steel contact points are also available.
Mayo Manufacturing
(208) 520-
www.mayomfg.com
Surge Hopper Unloader
Mayo’s Surge hopper unloader provides the most gentle unloading and the most consistent, even flow to the elimination equipment. The 72-inch-wide live-bottom discharge belt leaves no dirt buildup and ensures smooth operation. Proximity sensors automatically position the telescoping boom to avoid bruising. Wide, cleated intake belts make this piece of equipment a great choice for unloading field trucks quickly and gently and improving harvest operations.
Miedema
www.miedema.com
MC Series Conveyors
Miedema MC Series transport conveyors have a 31-inch-wide trough belt with a capacity of up to 140 tons per hour. The conveyor lies on top of the frame, guaranteeing maximum quality of the conveyed product. The MC Series are available in several lengths in both single- and duo-belt models. A wide range of options, including a belt weighing system, inspection lighting and inspection unit, is available.
ML Series Storage Loaders
The ML Series’ trough belt has a high capacity of over 160 tons per hour at a product-friendly conveyor belt speed. The wide transport conveyor lies completely free from the frame, allowing 100 percent utilization of its surface and ensuring maximum quality retention of product. The transport conveyor has a nodding end for perfect discharge when filling storage buildings. The loaders are available in lengths of 52, 62 or 72 feet and can be completely configured to customer specifications.
MHC Hopper/Separator
The MHC forms a total solution for buffering, sorting, cleaning, inspecting and transporting product. This combo is a high-capacity machine that provides cleaning with a double stone and clod separator.
Milestone Equipment
(800) 574-
(208) 785-
www.milestone-equipment.com
RevAir Debris Eliminator
In Milestone introduced the first-generation RevAir debris eliminator. Designed to eliminate foreign material—specifically lighter debris such as vines, corn roots/stocks, sod and weeds—from potatoes, onions and other root crops, the RevAir instantly showed tremendous potential and an impressive ability to remove unwanted items.
Milestone has continued to develop and improve the RevAir since that first prototype. Utilizing existing technologies coupled with new, innovative systems, the RevAir has proven to be an extremely effective debris eliminator. Available in a variety of widths and configurations, the RevAir is designed to meet growers’ needs. Portable, low-cost, low-power, effective debris elimination make the RevAir a valuable tool for reducing labor and increasing profits.
TriSteel Manufacturing
(208) 390-
www.loganfarmequipment.com
www.tristeelmfg.com
Logan Surge Pro Hopper
The new Logan Surge Pro hopper model LSH has combined some new innovations with simplicity and ease of operation to provide one of the best machines of its kind on the market. It features fewer drops and smoother transitions than almost any other brand.
A 54-inch infeed elevating conveyor, a 60-inch discharge belt, and a large 330-hundredweight tank combine to provide efficient production and gentle first in-first out handling. Operators can set the output rate and the discharge belt will self-adjust, providing a wide, consistent, even flow to downstream machines.
The Surge Pro only requires 14 horsepower’s worth of electrical power. The 60-inch discharge conveyor uses dual electric drives, with high-reduction, right-angle gear reducers providing high torque, allowing the use of small motors. Variable frequency drives for the conveyors reduce motor speed in rush current.
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