Compare/Allis Chalmers 650 vs Allis Chalmers M7

Allis Chalmers 650 vs Allis Chalmers M7

Verdict: Allis Chalmers 650 vs Allis Chalmers M7

The Allis Chalmers 650 and the Allis Chalmers M7 are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers M7 leads on rated power with 63 hp against 59 hp. Allis Chalmers M7 is the lighter machine (2,620 kg vs 8,900 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 650 is the newer design (1970 vs 1944). In short: choose the Allis Chalmers M7 for outright pulling power, or the Allis Chalmers 650 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

59 hp

63 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

liquid-cooledReference

Three gears, plus reverse, with two-speed range shift.Reference

Drive

crawlerReference

half-trackReference

Total built

—

291Reference

Variants

650

4037 kgReference

—

652

5275 kgReference

—

653

5103 kgReference

—

655

6676 kgReference

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Engine

Engine (gross)

44.0 kWReference

—

Displacement

3.3 LReference

2.2 LReference

Bore/Stroke

99 x 108 mmReference

79 x 111 mmReference

Power (gross)

44.0 kWReference

—

Air cleaner

dryReference

—

Compression

16.25:1Reference

6.48:1Reference

Rated RPM

2100Reference

4000Reference

Torque

207.5 NmReference

142.4 NmReference

Torque RPM

1700Reference

2000Reference

Starter

electricReference

Starter volts

12Reference

6Reference

Oil capacity

11.6 LReference

4.7 LReference

Coolant capacity

15.1 LReference

11.4 LReference

Fuel tank

—

39.7 LReference

Engine

—

47.0 kWReference

Power

—

47.0 kWReference

Fuel system

—

carburetorReference

Pre-heating

—

gasoline-fired boilerReference

Transmission

Gears

3 forward and reverseReference

6 forward and 2 reverseReference

Transmission

—

WarnerReference

Clutch

—

203.2mm mechanical dry discReference

Capacities

Fuel

94.6 LReference

—

Tow capacity

—

1360 kgReference

PTO & Hydraulics

Hydraulic system

53.9 LReference

—

Type

torque converterReference

gearReference

Capacity

53.9 LReference

—

Pump flow

94.6 lpmReference

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Dimensions

Weight

8900 to 14719 poundsReference

2620 to 3120 poundsReference

Length

276 cmReference

332 cmReference

652 dozer length

373 cmReference

—

653 dozer length

365 cmReference

—

Height (hood)

186 cmReference

—

Height (exhaust)

203 cmReference

—

Clearance (drawbar)

25 cmReference

40 cmReference

Gauge

129 cmReference

—

Wheelbase

—

205 cmReference

Front tire

—

4.00-15Reference

Rear tire

—

70x12Reference

Industrial front

—

4.00-15Reference

Industrial rear

—

70x12 skisReference

Height

—

162 cmReference

Clearance (front axle)

—

34 cmReference

Front tread

—

101 cmReference

Rear tread

—

114 cmReference

Shipping

—

1188 kgReference

Operating

—

1415 kgReference

Allis Chalmers 650 attachments

Attachment overview

Allis Chalmers 650 Tracks

Width

160 cmReference

Length on ground

177 cmReference

—

Area on ground

1.3 m²Reference

—

Ground pressure

0.6 barReference

—

M7 Serial Numbers

Location:

—

Serial number plate on the right side of the driver's compartment.Reference

Electrical

Ground

—

negativeReference

Charging system

—

generatorReference

Charging amps

—

40Reference

Battery volts

—

6Reference

Battery AH

—

116Reference

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.