Compare/Allis Chalmers 7040 vs Allis Chalmers HD11AG

Allis Chalmers 7040 vs Allis Chalmers HD11AG

Verdict: Allis Chalmers 7040 vs Allis Chalmers HD11AG

The Allis Chalmers 7040 and the Allis Chalmers HD11AG are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 7040 leads on rated power with 136 hp against 130 hp. Allis Chalmers 7040 is the lighter machine (5,307 kg vs 10,432 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 7040 is the newer design (1975 vs 1967). In short: choose the Allis Chalmers 7040 for outright pulling power, or the Allis Chalmers HD11AG 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

136 hp

130 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Allis ChalmersReference

Six gears in two ranges (slow/fast). Clutchless power shift between gears.Reference

liquid-cooledReference

Original price

$24,550Reference

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Differential lock

power standardReference

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Steering

hydrostatic powerReference

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Drive

—

crawlerReference

Engine

Drawbar (claimed)

87.2 kWReference

70.8 kWReference

Drawbar (tested)

85.3 kWReference

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Displacement

7.0 LReference

8.5 LReference

Bore/Stroke

108 x 127 mmReference

113 x 141 mmReference

Pre-heating

coolant heater (optional)Reference

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Compression

16:1Reference

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Rated RPM

2300Reference

1800Reference

Starter volts

12Reference

24Reference

Oil capacity

18.0 LReference

16.1 LReference

Coolant capacity

29.3 LReference

41.6 LReference

Power at rated engine speed

101.6 kWReference

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Max power

85.3 kWReference

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Fuel tank

—

340.7 LReference

Engine (gross)

—

96.9 kWReference

Engine (net)

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91.3 kWReference

Power (net)

—

91.3 kWReference

Power (gross)

—

96.9 kWReference

Starter

—

electricReference

Transmission

Power ShiftReference

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Gears

12 forward and 2 reverseReference

6 forward and 3 reverseReference

PTO & Hydraulics

PTO (claimed)

101.4 kWReference

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PTO (tested)

101.8 kWReference

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Hydraulic system

91.2 LReference

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Type

partial power shiftReference

gearReference

Capacity

91.2 LReference

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Valves

2 or 3Reference

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Pump flow

83.3 lpmReference

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Total flow

170.3 lpmReference

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Rear Type

III/IIReference

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Rear PTO

independentReference

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Rear PTO Type

1000 (optional)Reference

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Power at rated PTO speed

101.5 kWReference

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Capacities

Fuel

49.2 LReference

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Dimensions

Wheelbase

269 cmReference

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Weight

5307 kgReference

10432 kgReference

Front tire

11.00-16Reference

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Rear tire

18.4-38Reference

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Ag front

14L-16.1Reference

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Ag rear

16.9-38Reference

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Length

440 cmReference

378 cmReference

Width

303 cmReference

243 cmReference

Operating weight

5307 kgReference

10432 kgReference

Ballasted weight

7883 kgReference

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Clearance (front axle)

56 cmReference

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Clearance (rear axle)

71 cmReference

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Front tread

157 to 223 cmReference

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Rear tread

162 to 231 cmReference

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Steering wheel

220 cmReference

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Height (hood)

—

197 cmReference

Ground clearance

—

35 cmReference

Gauge

—

187 cmReference

Allis Chalmers 7040 attachments

7040 Serial Numbers

1975

1303Reference

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1976

4089Reference

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1977

6839Reference

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Location:

Above PTO shieldReference

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Electrical

Charging system

alternatorReference

—

Battery volts

12Reference

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Allis Chalmers 7040 Height

Hood

172 cmReference

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Exhaust

294 cmReference

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Test results

Fuel use

33.7 l/hourReference

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Max pull

6144 kgReference

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Speeds

HD11AG Serial Numbers

1967

—

1Reference

1968

—

344Reference

1969

—

514Reference

1970

—

660Reference

1971

—

1044Reference

Allis Chalmers HD11AG Tracks

Length on ground

—

234 cmReference

Area on ground

—

1.9 m²Reference

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.