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Allis Chalmers 7040 vs Allis Chalmers 8050 High-Clearance
Verdict: Allis Chalmers 7040 vs Allis Chalmers 8050 High-Clearance
The Allis Chalmers 7040 and the Allis Chalmers 8050 High-Clearance are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 8050 High-Clearance leads on rated power with 152 hp against 136 hp. Allis Chalmers 8050 High-Clearance is the newer design (1982 vs 1975). In short: choose the Allis Chalmers 8050 High-Clearance for outright pulling power, or the Allis Chalmers 7040 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
Allis Chalmers
85
Fit score
Best match
Clear
Allis Chalmers
85
Fit score
Best match
Clear
Rated power
136 hp
152 hp
Confidence
40%
40%
Guide price
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—
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
Six gears in two ranges (slow/fast). Clutchless power shift between gears.Reference
Six power shift gears in two ranges. Clutch must be used to shift range.Reference
Original price
$24,550Reference
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Differential lock
power standardReference
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Steering
hydrostatic powerReference
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Engine
Drawbar (claimed)
87.2 kWReference
100.0 kWReference
Drawbar (tested)
85.3 kWReference
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Displacement
7.0 LReference
7.0 LReference
Bore/Stroke
108 x 127 mmReference
108 x 127 mmReference
Pre-heating
coolant heater (optional)Reference
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Compression
16:1Reference
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Rated RPM
2300Reference
2300Reference
Starter volts
12Reference
12Reference
Oil capacity
18.0 LReference
30.3 LReference
Coolant capacity
29.3 LReference
35.0 LReference
Power at rated engine speed
101.6 kWReference
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Max power
85.3 kWReference
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Operating RPM
—
750-2580Reference
Starter
—
electricReference
Transmission
Transmission
Power ShiftReference
Power ShiftReference
Gears
12 forward and 2 reverseReference
12 forward and 2 reverseReference
PTO & Hydraulics
PTO (claimed)
101.4 kWReference
113.6 kWReference
PTO (tested)
101.8 kWReference
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Hydraulic system
91.2 LReference
140.0 LReference
Type
partial power shiftReference
six-speed power shiftReference
Capacity
91.2 LReference
140.0 LReference
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
III/IIReference
Rear PTO
independentReference
independentReference
Rear PTO Type
1000 (optional)Reference
540/1000Reference
Power at rated PTO speed
101.5 kWReference
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Capacities
Fuel
49.2 LReference
227.1 LReference
Dimensions
Wheelbase
269 cmReference
269 cmReference
Weight
5307 kgReference
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Front tire
11.00-16Reference
9.50x20Reference
Rear tire
18.4-38Reference
18.4x38Reference
Ag front
14L-16.1Reference
9.50x20Reference
Ag rear
16.9-38Reference
20.8x38Reference
Length
440 cmReference
474 cmReference
Width
303 cmReference
229 cmReference
Operating weight
5307 kgReference
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Ballasted weight
7883 kgReference
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Clearance (front axle)
56 cmReference
92 cmReference
Clearance (rear axle)
71 cmReference
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Front tread
157 to 223 cmReference
177 to 198 cmReference
Rear tread
162 to 231 cmReference
177 to 218 cmReference
Steering wheel
220 cmReference
—
Height (cab)
—
327 cmReference
Height (exhaust)
—
325 cmReference
Clearance (drawbar)
—
77 cmReference
Allis Chalmers 7040 attachments
7040 Serial Numbers
1975
1303Reference
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1976
4089Reference
—
1977
6839Reference
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Location:
Above PTO shieldReference
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Electrical
Charging system
alternatorReference
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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
Variants
8050
—
row-cropReference
8050HC
—
high-cropReference
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.