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John Deere 6145R vs John Deere 6M 145

Verdict: John Deere 6145R vs John Deere 6M 145

The John Deere 6145R and the John Deere 6M 145 are both tractors — here is how they stack up on the figures that matter. John Deere 6145R leads on rated power with 145 hp against 144 hp. John Deere 6145R is the lighter machine (7,723 kg vs 17,196 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6M 145 holds more fuel (285.0 L vs 269.9 L) for longer stints between fills. John Deere 6M 145 is the newer design (2024 vs 2015). In short: choose the John Deere 6145R for outright pulling power, or the John Deere 6M 145 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
John Deere 6145R Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 6M 145 Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
145 hp
144 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
Drawbar performanceReference
liquid-cooled inlineReference
Final drives
inboard planetaryReference
planetaryReference
Differential lock
electrohydraulic front and rearReference
electro-hydraulicReference
Engine
Fuel tank
269.9 LReference
285.0 LReference
Exhaust fluid (DEF)
15.9 LReference
15.9 LReference
Engine (gross)
108.1 kWReference
107.0 kWReference
Engine (max)
117.1 kWReference
117.0 kWReference
Drawbar (tested)
80.1 kWReference
Displacement
6.8 LReference
6.8 LReference
Bore/Stroke
105 x 127 mmReference
106 x 127 mmReference
Emissions
Tier IVReference
Tier IVReference
Emission control
selective catalytic reduction (SCR)Reference
Rated Power (gross)
108.1 kWReference
107.0 kWReference
Maximum Power (gross)
117.1 kWReference
117.0 kWReference
Rated RPM
2100Reference
2100Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Max power
80.1 kWReference
Power at rated engine speed
86.8 kWReference
Fuel Type
dieselReference
No of Cylinders
6 CylinderReference
Rated engine speed
2,100 RPMReference
Emissions compliance
Tier IV | selective catalytic reduction (SCR)Reference
Bore and stroke
4.15x5.00 inchesReference
Cooling system
liquid-cooledReference
Torque
678.0 NmReference
Torque RPM
1600Reference
Transmission
Transmission
DirectDrive ECOReference
AutoPowr IVTReference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Transmission Type
Power QuadReference
Wheel Drive
4WDReference
Rear Axle Drive Type
inboard planetaryReference
PTO & Hydraulics
PTO (claimed)
82.8 kWReference
82.8 kWReference
PTO (tested)
100.1 kWReference
Type
infinitely variable transmission (IVT)Reference
infinitely variable transmissionReference
Pressure
200.0 barReference
Valves
2 to 4Reference
Pump flow
113.9 lpmReference
155.2 lpmReference
SCV flow
99.9 lpmReference
Rear Type
III/IIINReference
III/IIINReference
Control
electronic lower link draft sensingReference
Rear lift
4169 kgReference
Drawbar
Cat. 2Reference
Rear PTO
independentReference
independentReference
Clutch
electro-hydraulicReference
electro-hydraulic wet discReference
Rear PTO Type
540/540E/1000Reference
540/1000 (1.375)Reference
Power at rated PTO speed
94.8 kWReference
Rear valves
0 to 3Reference
Mid valves
2 to 4Reference
Rear lift (at 24"/610mm)
3946 kgReference
Front Hitch
IIINReference
Front lift
3297 kgReference
Engine RPM
1000@1969Reference
Front PTO
independentReference
Front PTO Type
1000 (1.375)Reference
Dimensions
2WD Wheelbase
298 cmReference
4WD Wheelbase
276 cmReference
Weight
7723 kgReference
8000 kgReference
Front tire
11.00-20Reference
420/85R28Reference
2WD Rear tire
480/80R46Reference
2WD Standard tires (ag)
Front: 11.00-20. Rear: 480/80R46Reference
4WD Standard tires (ag)
Front: 380/85R30. Rear: 480/80R42Reference
2WD Clearance (front axle)
46 cmReference
4WD Clearance (front axle)
59 cmReference
Rack-and-pinion rear axle
91 by 2806 mmReference
2WD Front tread
148 to 243 cmReference
4WD Front tread
146 to 212 cmReference
Rear tread
160 to 230 cmReference
Shipping
7723 kgReference
Max Drawbar
2449 kgReference
Rear tire
480/80R42Reference
Standard tires (ag)
Front: 420/85R28. Rear: 480/80R42Reference
Length
473 cmReference
Width
254 cmReference
Height
297 cmReference
Shipping weight
7800 kgReference
Clearance (front axle)
53 cmReference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
240Reference
250Reference
Charging volts
14Reference
Batteries
2Reference
Battery CCA
600Reference
Battery volts
12Reference
12Reference
Total cold cranking amps
600 CCAReference
Capacities
Max capacity
11250 kgReference
Capacity
415 ciReference
Diesel exhaust fluid (DEF) tank
15.9 LReference
Test results
Fuel use
29.1 l/hourReference
Max pull
6688 kgReference
General
Make & Model
John DeereReference
Drawbar category
Cat. 2Reference
Rear Axle Type
Flange | Rack-and-pinionReference
Country of manufacturer
USAReference
Power
Rated Power
145 hpReference
PTO
PTO Power
111 hpReference
Rear PTO Power
AvailableReference
Rear PTO RPM
1,000 RPMReference
Steering & brakes
Brakes
Hydraulic Wet DiscReference
Steering type
PowerReference
Hydraulics
Hydraulics Type
Closed-Center Pressure and flow CompensatedReference
Maximum operating pressure
2,900 psiReference
Remote Valves
2 to 4 ValvesReference
Rear Hitch category (SAE designation)
Category III/IIINReference
Rear Hitch maximum lift capacity
4,169.9 kgReference
Rear Hitch Sensing Type
electronic lower link draft sensingReference
Dimensions & weight
Wheelbase
2WD:117.5 inches | 4WD:108.9 inches inchesReference
276 cmReference
Front axle clearance
2WD:18.5 inches | 4WD :23.5 inches inchesReference
Overall weight
7,723.8 kgReference
Wheels & tyres
Rear Wheel Type
2WD Rear: 480/80R46 | 4WD Rear: 480/80R42Reference
Rear wheel tread range
63.1 to 90.6 inchesReference
Front Wheel Type
2WDFront: 11.00-20. | 4WDFront: 380/85R30.Reference
Operator station
Cab Availability
AvailableReference
Cab Air conditioning, temperature differential
AvailableReference
Seat Suspension
TRUEReference
John Deere 6M 145 attachments
Attachment overview

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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