Compare/John Deere 7920 vs John Deere 8310

John Deere 7920 vs John Deere 8310

Verdict: John Deere 7920 vs John Deere 8310

The John Deere 7920 and the John Deere 8310 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 205 hp. John Deere 8310 is the lighter machine (8,402 kg vs 17,603 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 7920 is the newer design (2004 vs 1999). 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

205 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Hydro-mechanical IVT controlled via right-hand speed lever and left-hand reverser lever. Knob on the speed lever adjusts the set speeds for two ranges. Minimum speed of 50 meters per hour (164 feet per hour).Reference

With 620/70R42 rear tires. 16th gear speed at 2400 RPM. R4 speed at 1600 RPM.Reference

Drive

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4x4 MFWD 4WD (optional)Reference

Engine

Engine (gross)

153.0 kWReference

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Engine (net)

147.0 kWReference

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Engine (max)

164.0 kWReference

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Drawbar (tested)

108.9 kWReference

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Displacement

8.1 LReference

Bore/Stroke

116 x 129 mmReference

Rated Power (net)

147.0 kWReference

—

Rated Power (gross)

153.0 kWReference

—

Maximum Power (net)

158.0 kWReference

—

Maximum Power (gross)

164.0 kWReference

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Air cleaner

dual paper elementsReference

—

Compression

16.5:1Reference

Rated RPM

2100Reference

2200Reference

Idle RPM

875-2200Reference

—

Starter volts

12Reference

—

Oil capacity

24.0 LReference

28.0 LReference

Coolant capacity

32.0 LReference

34.0 LReference

Max power

108.9 kWReference

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Power at rated engine speed

127.7 kWReference

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Fuel tank

—

511.0 LReference

Torque

—

1004.8 NmReference

Transmission

AutoPowr IVTReference

PowerShiftReference

Gears

infinite forward and reverseReference

16 forward and 4 reverseReference

PTO & Hydraulics

PTO (claimed)

126.8 kWReference

152.9 kWReference

PTO (tested)

143.7 kWReference

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Hydraulic system

107.9 LReference

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Type

infinitely variable transmissionReference

closed center PFCReference

Capacity

107.9 LReference

—

Pressure

210.0 barReference

—

Valves

7Reference

3 to 5Reference

Pump flow

121.9 lpmReference

113.6 lpmReference

SCV flow

113.6 lpmReference

—

Rear Type

3/3NReference

III, IIINReference

Rear lift

6350 kgReference

7098 kgReference

Rear PTO

independentReference

Clutch

hydraulic wet discsReference

—

Rear PTO Type

1000 (1.75)Reference

540/1000 (optional)Reference

Engine RPM

1000@1950Reference

—

Front PTO

independentReference

—

Front PTO Type

1000 (1.75)Reference

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Power at rated PTO speed

138.4 kWReference

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Capacities

Fuel

358.4 LReference

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Front axle

14.4 LReference

—

Front hubs

1.9 LReference

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HD Front hubs

3.8 LReference

—

Dimensions

Wheelbase

286 cmReference

296 cmReference

Weight

17603 to 17965 poundsReference

8402 kgReference

Front tire

420/90R30Reference

—

Rear tire

480/80R46Reference

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Ag front

420/90R30Reference

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Ag rear

480/80R46Reference

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Length

610 cmReference

—

Width

299 cmReference

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Height (cab)

318 cmReference

—

Clearance (front axle)

56 cmReference

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Clearance (rear axle)

41 cmReference

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Rear axle

99 by 2997 mmReference

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Shipping

7984 kgReference

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Operating

8148 kgReference

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Ballasted

10607 kgReference

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Ground clearance

—

58 cmReference

John Deere 7920 attachments

7920 Serial Number Location

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Charging amps

150Reference

140Reference

Batteries

2Reference

Battery CCA

925Reference

Battery volts

12Reference

Test results

Fuel use

37.5 l/hourReference

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Max pull

10526 kgReference

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Variants

8310

—

wheeled tractorReference

8310T

—

crawler tractorReference

8310 Serial Numbers

2000

—

1001Reference

2001

—

10001Reference

Location:

—

Rear of tractorReference

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.