Compare/John Deere 450C vs John Deere 840

John Deere 450C vs John Deere 840

Verdict: John Deere 450C vs John Deere 840

The John Deere 450C and the John Deere 840 are both industrial tractors — here is how they stack up on the figures that matter. Both are rated at the same 70 hp. John Deere 840 is the lighter machine (10,400 kg vs 14,170 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 450C is the newer design (1974 vs 1959). 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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Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

70 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Two speeds, plus reverse, in four ranges.Reference

liquid-cooledReference

Drive

crawlerReference

—

Steering

—

powerReference

Variants

830

—

farm tractorReference

450C

crawlerReference

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450C CL

crawler-loaderReference

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Engine

Fuel tank

117.3 LReference

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Engine (gross)

52.2 kWReference

—

Engine (net)

48.5 kWReference

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Displacement

3.6 LReference

7.7 LReference

Bore/Stroke

102 x 110 mmReference

156 x 203 mmReference

Power (net)

48.5 kWReference

—

Power (gross)

52.2 kWReference

—

Air cleaner

dryReference

—

Compression

16.2:1Reference

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Rated RPM

2500Reference

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Torque

241.4 NmReference

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Torque RPM

1300Reference

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Starter

electricReference

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Starter volts

12Reference

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Oil capacity

30.3 LReference

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Coolant capacity

15.1 LReference

—

Drawbar (claimed)

—

52.0 kWReference

Belt (claimed)

—

56.4 kWReference

Firing order

—

1-2Reference

Transmission

Gears

8 forward and 4 reverseReference

6 forward and 1 reverseReference

Clutch

279mm dry discReference

dry discReference

PTO & Hydraulics

Type

partial power shiftReference

gearReference

Pressure

120.7 barReference

—

Pump flow

87.1 lpmReference

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Rear PTO Type

1000Reference

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Dimensions

Weight

14170 to 14650 poundsReference

10523 kgReference

6405 dozer length

360 cmReference

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6410 dozer length

377 cmReference

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6415 dozer length

347 cmReference

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Height (ROPS)

243 cmReference

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Gauge

132 cmReference

—

Operating

6645 kgReference

—

Ag front

—

8.25-20Reference

Ag rear

—

18-26Reference

John Deere 450C attachments

450C Serial Numbers

1974

191829Reference

—

1975

219516Reference

—

1976

240368Reference

—

1977

261218Reference

—

1978

287195Reference

—

1979

313948Reference

—

1980

340910Reference

—

1981

355421Reference

—

1982

372282Reference

—

1983

389143Reference

—

Electrical

Charging system

alternatorReference

—

Battery volts

12Reference

—

John Deere 450C Tracks

Width

40 cmReference

—

Length on ground

184 cmReference

—

Area on ground

1.5 m²Reference

—

Ground pressure

0.4 barReference

—

840 Serial Numbers

1959

—

8400000Reference

1960

—

8400506Reference

1961

—

8400845Reference

Links

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.