Compare/Allis Chalmers HD-21 vs Allis Chalmers TL-40

Allis Chalmers HD-21 vs Allis Chalmers TL-40

Verdict: Allis Chalmers HD-21 vs Allis Chalmers TL-40

The Allis Chalmers HD-21 and the Allis Chalmers TL-40 are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers TL-40 leads on rated power with 310 hp against 268 hp. Allis Chalmers TL-40 is the lighter machine (20,457 kg vs 22,680 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers HD-21 is the newer design (1967 vs 1962). In short: choose the Allis Chalmers TL-40 for outright pulling power, or the Allis Chalmers HD-21 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

268 hp

310 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

liquid-cooledReference

liquid-cooled inlineReference

Drive

crawlerReference

4x4 4WDReference

Final drives

—

planetaryReference

Engine

Engine (net)

199.8 kWReference

—

Displacement

13.8 LReference

Bore/Stroke

133 x 165 mmReference

Power (net)

199.8 kWReference

—

Starter

electricReference

Starter volts

24Reference

Engine (gross)

—

231.2 kWReference

Power (gross)

—

231.2 kWReference

Rated RPM

—

2000Reference

Torque

—

1200.1 NmReference

Torque RPM

—

1400Reference

Oil capacity

—

41.6 LReference

Coolant capacity

—

58.7 LReference

Transmission

Type

power shiftReference

Gears

2 forward and reverseReference

4 forward and reverseReference

Transmission

—

Twin DiscReference

Dimensions

Weight

22680 kgReference

20457 kgReference

Shipping weight

22680 kgReference

20457 kgReference

Front tire

—

26.5-25Reference

Rear tire

—

26.5-25Reference

Industrial front

—

26.5-25Reference

Industrial rear

—

26.5-25Reference

Length

—

731 cmReference

Height (steering wheel)

—

298 cmReference

Front tread

—

243 cmReference

Rear tread

—

243 cmReference

Capacities

Fuel

—

359.6 LReference

PTO & Hydraulics

Hydraulic system

—

291.4 LReference

Capacity

—

291.4 LReference

Pressure

—

120.7 barReference

Pump flow

—

416.4 lpmReference

Allis Chalmers TL-40 attachments

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.