Compare/John Deere 6425 vs John Deere 6510S

John Deere 6425 vs John Deere 6510S

Verdict: John Deere 6425 vs John Deere 6510S

The John Deere 6425 and the John Deere 6510S are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 114 hp. John Deere 6425 is the lighter machine (3,779 kg vs 8,152 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. 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

114 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Four gears (1-4) in four ranges (A-D) with left-hand reverser lever. 30 KPH and 40 KPH maximum speed options available.Reference

Creeper option adds an additional low-speed for ranges A, B, and C.Reference

Drive

4x4 MFWD 4WD (optional)Reference

—

Steering

hydrostatic powerReference

—

Engine

Fuel tank

165.0 LReference

Engine (gross)

85.0 kWReference

Engine (net)

82.0 kWReference

—

Engine (max)

89.5 kWReference

—

Displacement

4.5 LReference

Bore/Stroke

106 x 127 mmReference

Emissions

Stage IIIReference

—

Rated Power (net)

82.0 kWReference

—

Rated Power (gross)

85.0 kWReference

—

Maximum Power (net)

85.8 kWReference

—

Maximum Power (gross)

89.5 kWReference

—

Fuel system

electronic fuel injectionReference

—

Cooling system

viscous fanReference

—

Rated RPM

2300Reference

Idle RPM

850-2460Reference

—

Operating RPM

1500-2300Reference

—

Torque

477.3 NmReference

452.9 NmReference

Torque RPM

1600Reference

1500Reference

Firing order

1-3-4-2Reference

Starter

electricReference

Starter volts

12Reference

Oil capacity

55.0 LReference

48.8 LReference

Coolant capacity

26.5 LReference

13.6 LReference

Power (gross)

—

85.0 kWReference

Starter power

—

3.0 kWReference

Intake valve clearance

—

0.356 mmReference

Exhaust valve clearance

—

0.457 mmReference

Transmission

John Deere PowrReverserReference

PowrQuad CreeperReference

Gears

16 forward and reverseReference

38 forward and reverseReference

Oil type

—

[30oC]Reference

-10oF [-23oC]↑

—

: JD HY-GARDReference

86oF [30oC]↓

—

: Low-Visocosity HY-GARDReference

PTO & Hydraulics

PTO (claimed)

73.1 kWReference

70.8 kWReference

Type

power shuttleReference

four-speed power shiftReference

Pressure

175.0 barReference

200.0 barReference

Pump flow

54.0 lpmReference

71.5 lpmReference

Rear Type

2/1Reference

IIReference

Control

load and depth control with mechanical top-link sensingReference

electronic lower-link draft sensingReference

Rear lift

4549 kgReference

2683 kgReference

Rear PTO

independentReference

Clutch

wet 225mm disc PermaClutch IIReference

—

Rear PTO Type

540/1000Reference

540/1000 (1.375)Reference

Engine RPM

1000@2208Reference

—

Valves

—

1 to 4Reference

Dimensions

Wheelbase

240 cmReference

Weight

3779 kgReference

8152 to 8788 poundsReference

Front tire

7.50R18Reference

27/9.5-15Reference

Rear tire

18.4R30 (2WD)Reference

—

Standard tires (ag)

Front: 13.6R24. Rear: 18.4R30 (4WD)Reference

—

Length

427 cmReference

413 cmReference

Width

221 cmReference

—

Height (ROPS)

276 cmReference

—

Shipping weight

3779 kgReference

—

Max weight

6999 kgReference

—

Clearance (rear axle)

161 cmReference

—

2WD Rear tire

—

18.4-26Reference

2WD Standard tires (ag)

—

Front: 27/9.5-15. Rear: 18.4-26Reference

4WD Standard tires (ag)

—

Front: 10.5/80-18. Rear: 18.4-26Reference

Height (cab)

—

244 cmReference

2WD Shipping

—

3697 kgReference

4WD Shipping

—

3986 kgReference

6425 Serial Numbers

Location:

Right side of main tractor frame.Reference

Main tractor frame on right side.Reference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

90Reference

115Reference

Battery volts

12Reference

Battery AH

110Reference

154Reference

Battery CCA

—

1230Reference

Variants

6510L

—

low-profileReference

6510S

—

low-profile cabReference

6510S Serial Numbers

Capacities

Max capacity

—

7999 kgReference

Speeds

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.