Compare/John Deere 510 vs John Deere 990

John Deere 510 vs John Deere 990

Verdict: John Deere 510 vs John Deere 990

The John Deere 510 and the John Deere 990 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 40 hp. John Deere 510 is the lighter machine (2,060 kg vs 2,594 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 990 is the newer design (2000 vs 1966). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

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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

40 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 11-32 rear tires.Reference

With 14.9-24 rear tires.Reference

Final drives

—

planetaryReference

Differential lock

—

mechanical rearReference

Steering

—

powerReference

Engine

Fuel tank

70.0 LReference

—

Engine

29.5 kWReference

—

Displacement

2.5 LReference

2.0 LReference

Bore/Stroke

98 x 110 mmReference

84 x 90 mmReference

Power

29.5 kWReference

—

Compression

16.7:1Reference

18:1Reference

Rated RPM

2400Reference

2700Reference

Torque

137.0 NmReference

—

Torque RPM

1300Reference

—

Starter volts

12Reference

Oil capacity

31.0 LReference

20.8 LReference

Coolant capacity

10.9 LReference

5.8 LReference

Engine (gross)

—

30.1 kWReference

Engine (net)

—

28.7 kWReference

Power (net)

—

28.7 kWReference

Power (gross)

—

30.1 kWReference

Air cleaner

—

dryReference

Idle RPM

—

925-2875Reference

Starter power

—

2.0 kWReference

Transmission

Type

gearReference

partially synchronizedReference

Gears

10 forward and 3 reverseReference

9 forward and 3 reverseReference

Transmission

—

Collar ShiftReference

PTO & Hydraulics

Rear Type

II/IReference

IReference

Rear PTO

liveReference

live (two-stage clutch)Reference

Rear PTO Type

540/1000 (1.375)Reference

540Reference

Engine RPM

540@2250Reference

—

PTO (claimed)

—

26.1 kWReference

Hydraulic system

—

20.8 LReference

Capacity

—

20.8 LReference

Pressure

—

156.0 barReference

Pump flow

—

32.2 lpmReference

Total flow

—

49.2 lpmReference

Steering flow

—

17.0 lpmReference

Rear lift (at 24"/610mm)

—

713 kgReference

Dimensions

Weight

2060 kgReference

571 kgReference

Front tire

6.50-16Reference

6.5-16Reference

Rear tire

12.4/11-32Reference

—

Ag front

6.50-16Reference

—

Ag rear

14.9/13-28Reference

—

Length

340 cmReference

312 cmReference

Width

179 cmReference

—

Height (steering wheel)

167 cmReference

—

Ground clearance

44 cmReference

—

Front tread

124 to 175 cmReference

—

Rear tread

127 to 177 cmReference

117 cmReference

Wheelbase

—

175 cmReference

2WD Rear tire

—

14.9-24Reference

2WD Standard tires (ag)

—

Front: 6.5-16. Rear: 14.9-24Reference

4WD Standard tires (ag)

—

Front: 8-16. Rear: 14.9-24Reference

Height (hood)

—

137 cmReference

Height (ROPS)

—

213 cmReference

2WD Front tread

—

122 cmReference

4WD Front tread

—

136 cmReference

2WD

—

1176 kgReference

4WD

—

1440 kgReference

Max Drawbar

—

374 kgReference

Max front axle

—

2500 kgReference

Max rear axle

—

2400 kgReference

510 Serial Number Location

Speeds

Capacities

Fuel

—

32.2 LReference

John Deere 990 attachments

990 Serial Numbers

2000

—

190001Reference

2001

—

290002Reference

2002

—

291001Reference

2003

—

391001Reference

2004

—

590001Reference

2005

—

690001Reference

2006

—

790001Reference

2007

—

890001Reference

Location:

—

Serial number plate on the rear of the 990, below the PTO.Reference

Electrical

Ground

—

negativeReference

Charging system

—

alternatorReference

Charging amps

—

20Reference

Battery CCA

—

650Reference

Battery volts

—

12Reference

Attachment overview

John Deere 8B Backhoe

Backhoe type

—

John Deere 8B BackhoeReference

Transport height

—

205 cmReference

Bucket width

—

91 cmReference

Digging depth

—

259 cmReference

Reach from pivot

—

337 cmReference

Loading height

—

208 cmReference

Bucket Rotation

—

180°Reference

Swing Arc

—

180°Reference

Bucket force

—

1003 kgReference

Dipperstick force

—

1003 kgReference

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.