Compare/Allis Chalmers 615 vs Allis Chalmers M7

Allis Chalmers 615 vs Allis Chalmers M7

Verdict: Allis Chalmers 615 vs Allis Chalmers M7

The Allis Chalmers 615 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 57 hp. Allis Chalmers M7 is the lighter machine (2,620 kg vs 4,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 615 holds more fuel (60.6 L vs 39.7 L) for longer stints between fills. Allis Chalmers 615 is the newer design (1966 vs 1944). In short: choose the Allis Chalmers M7 for outright pulling power, or the Allis Chalmers 615 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

57 hp

63 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

With 14.9x24 R4 rear tires.Reference

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

Final drives

bull gearReference

—

Total built

—

291Reference

Drive

—

half-trackReference

Variants

615

industrialReference

—

615TLB

backhoe-loaderReference

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Engine

Fuel tank

60.6 LReference

39.7 LReference

Engine

42.5 kWReference

47.0 kWReference

Displacement

3.3 LReference

2.2 LReference

Bore/Stroke

98 x 105 mmReference

79 x 111 mmReference

Power

42.5 kWReference

47.0 kWReference

Compression

16.25:1Reference

6.48:1Reference

Rated RPM

2000Reference

4000Reference

Torque

207.5 NmReference

142.4 NmReference

Torque RPM

1750Reference

2000Reference

Starter volts

12Reference

6Reference

Oil capacity

8.5 LReference

4.7 LReference

Coolant capacity

12.8 LReference

11.4 LReference

Sparkplug

Auto-Lite A-5Reference

—

Sparkplug gap

0.584 mmReference

—

Point gap

0.559 mmReference

—

Intake valve clearance

0.381 mmReference

—

Exhaust valve clearance

0.381 mmReference

—

Idle RPM

650-2200Reference

—

Firing order

1-2-3-4Reference

—

Fuel system

—

carburetorReference

Pre-heating

—

gasoline-fired boilerReference

Starter

—

electricReference

Transmission

Gears

4 forward and 1 reverseReference

6 forward and 2 reverseReference

Clutch

dry discReference

203.2mm mechanical dry discReference

Transmission

—

WarnerReference

PTO & Hydraulics

Type

gearReference

Pressure

155.1 barReference

—

Pump flow

90.8 lpmReference

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Steering flow

19.9 lpmReference

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Rear Type

IReference

—

Rear PTO Type

1000Reference

—

Dimensions

Wheelbase

220 cmReference

205 cmReference

Weight

4400 to 4550 poundsReference

2620 to 3120 poundsReference

Ag front

7.50x16Reference

—

Ag rear

16.9x24Reference

—

Length

320 cmReference

332 cmReference

Gas Weight

1995 kgReference

—

Diesel Weight

2063 kgReference

—

Front tread

129/138 cmReference

101 cmReference

Rear tread

157/183 cmReference

114 cmReference

Steering wheel

160 cmReference

—

Front tire

—

4.00-15Reference

Rear tire

—

70x12Reference

Industrial front

—

4.00-15Reference

Industrial rear

—

70x12 skisReference

Width

—

160 cmReference

Height

—

162 cmReference

Clearance (front axle)

—

34 cmReference

Clearance (drawbar)

—

40 cmReference

Shipping

—

1188 kgReference

Operating

—

1415 kgReference

Allis Chalmers 615 attachments

615 Serial Numbers

Location:

Serial number engraved into the left side of the tractor, on the flange where the clutch and engine meet.Reference

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

Electrical

Gas Ground

positiveReference

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Diesel Ground

negativeReference

—

Charging system

generatorReference

Battery volts

12Reference

6Reference

Ground

—

negativeReference

Charging amps

—

40Reference

Battery AH

—

116Reference

Allis Chalmers 615 Height

Hood

144 cmReference

—

Exhaust

200 cmReference

—

Speeds

M7 Serial Numbers

Capacities

Tow capacity

—

1360 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.