Best for
- Heavier field and transport workloads
- High-flow hydraulic configurations
- Six-cylinder torque and stability
- Category 3N/3 implement use
A detailed, independently maintained profile of the John Deere 6M 145, including key capabilities, practical fit and full specifications.
The John Deere 6M 145 is a larger-frame model than the 6M 130 and 140. It uses a 6.8-litre six-cylinder PowerTech PVS engine rated at 145 horsepower, with 160 maximum horsepower and 679 Nm of peak torque. Official figures list 111 rated PTO horsepower and 129 PTO horsepower with Intelligent Power Management. The hydraulic system is pressure-and-flow compensated with 114 L/min standard output and a 155 L/min option. Cab specifications list a Category 3N/3 rear hitch rated at 3,500 kg standard or 3,950 kg optional under the SAE hitch-rating field, while maximum lift behind the points is substantially higher. Base machine weight is 8,000 kg. Transmission choices vary by configuration and can include PowrQuad, AutoQuad, e19 PowerShift and AutoPowr IVT. The 6M 145 is better suited than the four-cylinder models to heavier transport, loader and field workloads, but it is less compact and more expensive to equip.
What the headline specifications mean during real tractor work.
John Deere 6M 145 uses a 6.8 L (415 cu in.) engine rated at 145 HP rated / 160 HP maximum, with 679 Nm maximum torque and 111 HP rated / 129 HP with IPM at the PTO. Use rated PTO output for continuous implement sizing and treat IPM/maximum figures as task-dependent reserve.
Available transmission specification is 20-speed PowrQuad/AutoQuad; e19 PowerShift or AutoPowr IVT options vary by build; the published travel-speed figure is Up to 50 km/h. PowrQuad favors straightforward manual range work, automated variants reduce shifting effort, and IVT offers the finest speed control.
The hydraulic system is PFC load-sensing with 114 L/min standard / 155 L/min optional. Rear lift is 3,500 kg standard / 3,950 kg optional (cab specification) on a 3N/3 hitch, so pump and hitch options should be matched to loader demand and mounted-implement weight.
The tractor uses Electrohydraulic, oil-cooled multi-disc rear PTO, with 540 / 1,000 rpm; economy PTO availability varies and In-cab switch; optional fender control. The published remote-valve provision is 2 rear SCVs standard; up to 4 rear and 3 mid optional, which should be checked against every implement's hydraulic-function count.
A 2,765 mm wheelbase, 8,000 kg base operating weight, 11,000 kg maximum permissible weight and 535 mm clearance affect turning space, payload and transport. Service guidance is engine oil 500 h; transmission/hydraulic 1,500 h; coolant 6,000 h.
Options and market differences that can change how this tractor is equipped or used.
| Option | Available setup | What it changes |
|---|---|---|
| Transmission package | 20-speed PowrQuad/AutoQuad; e19 PowerShift or AutoPowr IVT options vary by build | Transmission choice changes field-speed control, road behavior, automation level and price; compare exact ratios and top-speed homologation on the build sheet. |
| Hydraulic pump and hitch package | Pump: 114 L/min standard / 155 L/min optional; rear hitch: 3,500 kg standard / 3,950 kg optional (cab specification); category: 3N/3 | Standard and optional pumps/hitches can materially change loader cycle performance and mounted-implement capacity, so base and upgraded figures must not be mixed. |
| Cab, open-station and controls | Cab or open operator station; availability varies by model and market; Air-suspension seat standard on cab specification; Right-hand console; Compact CommandARM optional; cab noise: 70 dBA cab specification; Air conditioning: Optional | Operator-station and control-console choices affect visibility, comfort, machine weight and access to electronic functions. |
| Front and rear equipment | Drive: MFWD; front hitch: Optional; front PTO: Optional; loader compatible: Yes; loader capacity: 2,284 kg MSL / 2,632 kg NSL with 640R | Front equipment and loader choices change axle load, ballast and tire requirements; unavailable figures should be confirmed from the exact loader and tractor pairing. |
| Order-code and regional variant | United States / Final Tier 4 specification | Axles, tires, PTO modes, SCV count, hitch ends and operator station can vary by order code and market. Validate the serial-specific build rather than assuming every listed option is standard. |
94 data points across 16 categories.
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Accuracy note: Specifications represent current US public data; transmission, hitch, hydraulic, axle, tire and operator-station values vary by order code. Cab and open-operator-station hitch ratings differ; the cab specification is used for the main rear-hitch value.