Compare/Allis Chalmers 615 vs Allis Chalmers HD-4 Loader

Allis Chalmers 615 vs Allis Chalmers HD-4 Loader

Verdict: Allis Chalmers 615 vs Allis Chalmers HD-4 Loader

The Allis Chalmers 615 and the Allis Chalmers HD-4 Loader are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers 615 leads on rated power with 57 hp against 52 hp. Allis Chalmers 615 is the lighter machine (4,400 kg vs 5,624 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers HD-4 Loader holds more fuel (68.1 L vs 60.6 L) for longer stints between fills. In short: choose the Allis Chalmers 615 for outright pulling power, or the Allis Chalmers HD-4 Loader 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

52 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

With 14.9x24 R4 rear tires.Reference

liquid-cooledReference

Final drives

bull gearReference

—

Drive

—

crawlerReference

Variants

615

industrialReference

—

615TLB

backhoe-loaderReference

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HD-4

—

crawlerReference

HD-4 Loader

—

loader-crawlerReference

Engine

Fuel tank

60.6 LReference

68.1 LReference

Engine

42.5 kWReference

—

Displacement

3.3 LReference

Bore/Stroke

98 x 105 mmReference

99 x 108 mmReference

Power

42.5 kWReference

—

Compression

16.25:1Reference

Rated RPM

2000Reference

2100Reference

Torque

207.5 NmReference

191.9 NmReference

Torque RPM

1750Reference

1600Reference

Starter volts

12Reference

Oil capacity

8.5 LReference

11.6 LReference

Coolant capacity

12.8 LReference

15.1 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

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Firing order

1-2-3-4Reference

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Engine (gross)

—

38.8 kWReference

Power (gross)

—

38.8 kWReference

Air cleaner

—

dryReference

Starter

—

electricReference

Transmission

Gears

4 forward and 1 reverseReference

3 forward and reverseReference

Clutch

dry discReference

hydraulic discReference

PTO & Hydraulics

Type

gearReference

torque converterReference

Pressure

155.1 barReference

112.0 barReference

Pump flow

90.8 lpmReference

94.6 lpmReference

Steering flow

19.9 lpmReference

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Rear Type

IReference

—

Rear PTO Type

1000Reference

—

Dimensions

Wheelbase

220 cmReference

—

Weight

4400 to 4550 poundsReference

5624 kgReference

Ag front

7.50x16Reference

—

Ag rear

16.9x24Reference

—

Length

320 cmReference

392 cmReference

Gas Weight

1995 kgReference

—

Diesel Weight

2063 kgReference

—

Front tread

129/138 cmReference

—

Rear tread

157/183 cmReference

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Steering wheel

160 cmReference

—

Height (hood)

—

187 cmReference

Clearance (drawbar)

—

25 cmReference

Gauge

—

129 cmReference

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 on the front of the crawler, below the grill.Reference

Electrical

Gas Ground

positiveReference

—

Diesel Ground

negativeReference

—

Charging system

generatorReference

—

Battery volts

12Reference

—

Allis Chalmers 615 Height

Hood

144 cmReference

—

Exhaust

200 cmReference

—

Speeds

Allis Chalmers HD-4 Loader attachments

HD-4 Loader Serial Numbers

Allis Chalmers HD-4 Loader Tracks

Width

—

167 cmReference

Length on ground

—

177 cmReference

Area on ground

—

0.5 m²Reference

Ground pressure

—

0.5 barReference

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.