Compare/John Deere 6145M vs John Deere 6145R

John Deere 6145M vs John Deere 6145R

Verdict: John Deere 6145M vs John Deere 6145R

The John Deere 6145M and the John Deere 6145R are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 145 hp. John Deere 6145M is the lighter machine (5,533 kg vs 7,723 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6145R holds more fuel (269.9 L vs 264.9 L) for longer stints between fills. Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

145 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Four push-button gears (1-4) in six synchronized ranges (A-F) with left-hand power shuttle lever. AutoShift mode enables programmable automatic gear shifting.Reference

Drawbar performanceReference

Final drives

inboard planetaryReference

Differential lock

electro-hydraulic front and rearReference

electrohydraulic front and rearReference

Engine

Fuel tank

264.9 LReference

269.9 LReference

Exhaust fluid (DEF)

15.1 LReference

15.9 LReference

Engine (gross)

108.1 kWReference

Engine (max)

114.1 kWReference

117.1 kWReference

Drawbar (tested)

84.3 kWReference

80.1 kWReference

Displacement

4.5 LReference

6.8 LReference

Bore/Stroke

105 x 127 mmReference

Emissions

Tier IVReference

Emission control

cooled exhaust-gas recirculation, diesel particulate filter, and selective catalytic reductionReference

selective catalytic reduction (SCR)Reference

Rated Power (gross)

108.1 kWReference

Maximum Power (gross)

114.1 kWReference

117.1 kWReference

Rated RPM

2100Reference

Starter

electricReference

Starter volts

12Reference

Starter power

3.0 kWReference

—

Coolant capacity

27.0 LReference

—

Power at rated engine speed

87.3 kWReference

86.8 kWReference

Max power

84.3 kWReference

80.1 kWReference

Fuel Type

DieselReference

dieselReference

No of Cylinders

4Reference

6 CylinderReference

Emissions compliance

Stage VReference

Tier IV | selective catalytic reduction (SCR)Reference

Engine torque at rated speed

Option 1: 2,100 rpm\\nOption 2: 680 NmReference

—

Interval for engine oil change

500 hoursReference

—

Interval for engine coolant change

6,000 hoursReference

—

Cooling system

27 LReference

liquid-cooledReference

Rated engine speed

—

2,100 RPMReference

Bore and stroke

—

4.15x5.00 inchesReference

Transmission

AutoQuad PLUSReference

DirectDrive ECOReference

Gears

24 forward and reverseReference

infinite forward and reverseReference

Transmission Type

Power QuadReference

Wheel Drive

MFWDReference

4WDReference

Rear Axle Drive Type

Three planetary gear reductionReference

inboard planetaryReference

Interval for hydraulic/transmission oil change

1,500 hoursReference

—

PTO & Hydraulics

PTO (claimed)

85.0 kWReference

82.8 kWReference

PTO (tested)

87.3 kWReference

100.1 kWReference

Type

four-speed power shiftReference

infinitely variable transmission (IVT)Reference

Pressure

200.0 barReference

Rear valves

3Reference

—

Mid valves

3Reference

—

Pump flow

113.6 lpmReference

113.9 lpmReference

SCV flow

79.9 lpmReference

99.9 lpmReference

Rear Type

IIIN/IIReference

III/IIINReference

Control

electronic lower-link draft sensingReference

electronic lower link draft sensingReference

Rear lift

4330 kgReference

4169 kgReference

Drawbar

Cat. 2Reference

Rear PTO

independentReference

Clutch

wet discReference

electro-hydraulicReference

Rear PTO Type

540Reference

540/540E/1000Reference

Engine RPM

1000@1932Reference

—

Power at rated PTO speed

95.8 kWReference

94.8 kWReference

Valves

—

2 to 4Reference

Dimensions

Wheelbase

276 cmReference

2WD:117.5 inches | 4WD:108.9 inches inchesReference

Weight

5533 kgReference

7723 kgReference

Front tire

10.00-16Reference

11.00-20Reference

2WD Rear tire

460/85R38Reference

480/80R46Reference

2WD Standard tires (ag)

Front: 10.00-16. Rear: 460/85R38Reference

Front: 11.00-20. Rear: 480/80R46Reference

4WD Standard tires (ag)

Front: 380/85R28. Rear: 460/85R38Reference

Front: 380/85R30. Rear: 480/80R42Reference

Length

472 cmReference

—

Width

255 cmReference

—

Height (ROPS)

287 cmReference

—

Height (cab)

287 cmReference

—

Clearance (front axle)

60 cmReference

—

Rack-and-pinion rear axle

85 by 2555 mmReference

91 by 2806 mmReference

2WD Front tread

153 to 204 cmReference

148 to 243 cmReference

Shipping

5533 kgReference

7723 kgReference

Max Drawbar

2449 kgReference

2WD Wheelbase

—

298 cmReference

4WD Wheelbase

—

276 cmReference

2WD Clearance (front axle)

—

46 cmReference

4WD Clearance (front axle)

—

59 cmReference

4WD Front tread

—

146 to 212 cmReference

Rear tread

—

160 to 230 cmReference

John Deere 6145M attachments

6145M Serial Number Location

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

200Reference

240Reference

Charging volts

14Reference

Battery volts

12Reference

Alternator size

14 V/120 ampReference

—

Battery options

Standard: 12 V/154 amp-hr\\nOptional: 12 V/174 amp-hrReference

—

Batteries

—

2Reference

Battery CCA

—

600Reference

Total cold cranking amps

—

600 CCAReference

Capacities

Max capacity

10000 kgReference

11250 kgReference

Capacity

275 cu. in.Reference

415 ciReference

Diesel exhaust fluid (DEF) tank

16 LReference

15.9 LReference

Crankcase oil volume

4.2 U.S. galReference

—

Test results

Fuel use

28.8 l/hourReference

29.1 l/hourReference

Max pull

6491 kgReference

6688 kgReference

Speeds

General

Make & Model

JDXL06.8,324Reference

John DeereReference

Creeper

OptionalReference

—

Drawbar category

Category 2Reference

Cat. 2Reference

Drawbar Maximum vertical load

2,000 kgReference

—

Rear Axle Differential Lock

Electrohydraulically with oil-cooled clutchReference

—

Front Axle Differential Lock

Self-locking differentialReference

—

Rollover protective structure

Gearshift location - console/floor\\nConsoleReference

—

Radio

Optional integratedReference

—

Country of manufacturer

GermanyReference

USAReference

Rear Axle Type

—

Flange | Rack-and-pinionReference

Power

Rated Power

145 hpReference

Power boost

10 percentReference

—

Front Hitch Electric Power

Seven-pin electrical socketReference

—

PTO

PTO Power

116 hpReference

111 hpReference

PTO torque rise

40 percentReference

—

Rear PTO Power

AvailableReference

Rear PTO Control

In-cab switch and external fender-mounted remote controlReference

—

Rear PTO RPM

540/1,000 rpmReference

1,000 RPMReference

Front PTO Power

AvailableReference

—

Engine Speed on Front PTO speed

1,969 rpmReference

—

Hydraulics

Pump Rated Output (total)

114 l/minReference

—

Remote Valves

7Reference

2 to 4 ValvesReference

Number of rear selective control valves (SCVs)

fourReference

—

Rear Hitch category (SAE designation)

3NReference

Category III/IIINReference

Rear Hitch Sensing Type

Electronic lower linkReference

electronic lower link draft sensingReference

Front Hitch category (SAE designation)

3NReference

—

Front Hitch lift capacity beyond lift points

4,400 kg\\n9,700.3 lbReference

—

Hydraulics Type

—

Closed-Center Pressure and flow CompensatedReference

Maximum operating pressure

—

2,900 psiReference

Rear Hitch maximum lift capacity

—

4,169.9 kgReference

Dimensions & weight

Overall Width

2,490 mmReference

—

Ground Clearance

530 mmReference

—

Overall weight

6,199.7 kgReference

7,723.8 kgReference

Front axle clearance

—

2WD:18.5 inches | 4WD :23.5 inches inchesReference

Wheels & tyres

Rear Wheel Type

650/65R38 (185)Reference

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 Noise level

70 dBAReference

—

Cab glass area

52.2 sq ftReference

—

Cab space

96.41 cu ftReference

—

Cab Seat Type

Standard seatReference

—

Seat Suspension

AvailableReference

TRUEReference

Cab Air conditioning, temperature differential

—

AvailableReference

Steering & brakes

Steering type

Dynamic load sensing, hydrostatic, flow meteringReference

PowerReference

Brakes

—

Hydraulic Wet DiscReference

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.