Compare/John Deere 6145J vs John Deere 6M 125

John Deere 6145J vs John Deere 6M 125

Verdict: John Deere 6145J vs John Deere 6M 125

The John Deere 6145J and the John Deere 6M 125 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 123 hp. John Deere 6145J is the lighter machine (11,290 kg vs 13,007 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6145J holds more fuel (314.9 L vs 174.9 L) for longer stints between fills. John Deere 6M 125 is the newer design (2024 vs 2010). 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

123 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 24.5-32 R1 rear tires. Reverse speeds are 15% faster than forward.Reference

liquid-cooled inlineReference

Differential lock

electro-hydraulicReference

Final drives

—

planetaryReference

Engine

Fuel tank

314.9 LReference

174.9 LReference

Engine

108.1 kWReference

—

Displacement

6.8 LReference

4.5 LReference

Bore/Stroke

106 x 127 mmReference

Power

108.1 kWReference

—

Fuel system

rotary injection pumpReference

—

Rated RPM

2100Reference

Torque

608.0 NmReference

584.4 NmReference

Torque RPM

1400Reference

1600Reference

Starter volts

12Reference

Coolant capacity

25.0 LReference

—

Oil capacity

19.0 LReference

—

Exhaust fluid (DEF)

—

18.9 LReference

Engine (gross)

—

92.0 kWReference

Engine (max)

—

101.0 kWReference

Emissions

—

Tier IVReference

Rated Power (gross)

—

92.0 kWReference

Maximum Power (gross)

—

101.0 kWReference

Starter

—

electricReference

Transmission

John Deere PowrQuadReference

AutoPowr IVTReference

Gears

16 forward and reverseReference

infinite forward and reverseReference

PTO & Hydraulics

PTO (claimed)

91.7 kWReference

72.3 kWReference

Type

partial power shiftReference

infinitely variable transmissionReference

Pressure

200.0 barReference

—

Valves

2Reference

—

Pump flow

100.0 lpmReference

113.6 lpmReference

SCV flow

99.8 lpmReference

—

Oil type

JD Hy-GardReference

—

Rear Type

IIReference

IIIN/IIReference

Control

electronic lower linkReference

—

Rear lift (at ends)

6799 kgReference

—

Rear lift (at 24"/610mm)

5279 kgReference

3597 kgReference

Rear PTO

independentReference

Clutch

hydraulic wet discsReference

electro-hydraulic wet discReference

Rear PTO Type

540/1000Reference

540/1000 (1.375)Reference

Rear valves

—

0 to 3Reference

Mid valves

—

2 to 4Reference

Front Hitch

—

IIINReference

Front lift

—

3297 kgReference

Engine RPM

—

1000@1969Reference

Front PTO

—

independentReference

Front PTO Type

—

1000 (1.375)Reference

Dimensions

Wheelbase

264 cmReference

240 cmReference

Weight

11290 to 12460 poundsReference

6250 kgReference

Front tire

18.4-26Reference

11.00-16Reference

Rear tire

24.5-32Reference

—

Standard tires (ag)

Front: 18.4-26. Rear: 24.5-32Reference

—

Optional tires (ag)

Front: 16.9-24. Rear: 18.4-34Reference

—

Length

496 cmReference

429 cmReference

Height

286 cmReference

279 cmReference

Ground clearance

56 cmReference

—

Bar rear axle

86 by 2743 mmReference

—

Front tread

159 to 209 cmReference

—

Rear tread

168 to 264 cmReference

—

Ballasted

8001 kgReference

—

2WD Rear tire

—

18.4R-38Reference

2WD Standard tires (ag)

—

Front: 11.00-16. Rear: 18.4R-38Reference

4WD Standard tires (ag)

—

Front: 380/85R24. Rear: 460/85R34Reference

Width

—

245 cmReference

Shipping weight

—

5899 kgReference

Clearance (front axle)

—

46 cmReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

90Reference

250Reference

Battery volts

12Reference

Battery AH

150Reference

—

Speeds

John Deere 6M 125 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.