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Allis Chalmers 7010 vs Allis Chalmers D21 Series I
Verdict: Allis Chalmers 7010 vs Allis Chalmers D21 Series I
The Allis Chalmers 7010 and the Allis Chalmers D21 Series I are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 7010 leads on rated power with 107 hp against 103 hp. Allis Chalmers D21 Series I is the lighter machine (4,309 kg vs 5,107 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 7010 is the newer design (1980 vs 1963). In short: choose the Allis Chalmers 7010 for outright pulling power, or the Allis Chalmers D21 Series I 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
107 hp
103 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
With 15.5x38 rear tires.Reference
With 18.4x34 rear tires.Reference
Total built
2,436Reference
1,129Reference
Original price
$35,311Reference
—
Final drives
inboard planetaryReference
—
Differential lock
powerReference
—
Steering
hydrostatic powerReference
—
Engine
Drawbar (tested)
66.4 kWReference
69.4 kWReference
Displacement
4.9 LReference
7.0 LReference
Bore/Stroke
98 x 108 mmReference
108 x 127 mmReference
Air cleaner
dual paper elementsReference
dryReference
Compression
16.25:1Reference
16.0:1Reference
Rated RPM
2300Reference
2200Reference
Firing order
1-5-3-6-2-4Reference
1-5-3-6-2-4Reference
Starter volts
12Reference
—
Oil capacity
28.0 LReference
87.1 LReference
Coolant capacity
24.6 LReference
19.9 LReference
Power at rated engine speed
79.6 kWReference
76.9 kWReference
Max power
66.4 kWReference
69.4 kWReference
Fuel tank
—
196.8 LReference
Engine
—
88.7 kWReference
Drawbar (claimed)
—
69.4 kWReference
Plows
—
7Reference
Power
—
88.7 kWReference
Intake valve clearance
—
0.381 mmReference
Exhaust valve clearance
—
0.381 mmReference
Transmission
Transmission
Allis-Chalmers Power ShiftReference
Power DirectorReference
Gears
12 forward and 2 reverseReference
8 forward and 2 reverseReference
Clutch
—
dry discReference
PTO & Hydraulics
PTO (tested)
79.6 kWReference
76.9 kWReference
Type
partial power shiftReference
sliding gearReference
Valves
2Reference
—
Pump flow
51.1 lpmReference
—
Total flow
170.3 lpmReference
—
Steering flow
36.0 lpmReference
—
Rear Type
III/IIReference
III/IIReference
Rear lift (at 24"/610mm)
3030 kgReference
—
Rear PTO
independentReference
independentReference
Rear PTO Type
540 1000Reference
1000Reference
Power at rated PTO speed
79.3 kWReference
—
PTO (claimed)
—
76.8 kWReference
Capacities
Fuel
49.2 LReference
—
Rear diff.
63.2 LReference
—
Dimensions
Wheelbase
269 cmReference
244 cmReference
Weight
5107 kgReference
4309 kgReference
Front tire
10.00-16Reference
7.50x20Reference
Rear tire
18.4-38Reference
18.4x34Reference
Ag front
18.4x16Reference
11.00x16Reference
Ag rear
18.4-42Reference
24.5x32Reference
Width
301 cmReference
232 cmReference
Operating weight
5107 kgReference
—
Ballasted weight
5801 kgReference
5307 kgReference
Clearance (front axle)
53 cmReference
54 cmReference
Clearance (rear axle)
71 cmReference
67 cmReference
Rear axle
95 mmReference
—
Front tread
152 to 223 cmReference
—
Rear tread
162 to 226 cmReference
—
Steering wheel
220 cmReference
229 cmReference
Length
—
407 cmReference
Shipping weight
—
4309 kgReference
Allis Chalmers 7010 attachments
7010 Serial Numbers
1979
1001Reference
—
1980
1925Reference
—
1981
2806Reference
—
Location:
Above PTO shieldReference
Serial number on the left side of the Allis-Chalmers D21, stamped into the flange near the starter mounting.Reference
Final
3433Reference
4609 (Series II)Reference
Electrical
Charging system
alternatorReference
Delco-Remy generatorReference
Battery volts
12Reference
12Reference
Ground
—
negativeReference
Charging amps
—
32Reference
Batteries
—
4Reference
Battery AH
—
95Reference
Allis Chalmers 7010 Height
Hood
172 cmReference
182 cmReference
Exhaust
294 cmReference
270 cmReference
Test results
Fuel use
27.3 l/hourReference
26.9 l/hourReference
Max pull
4316 kgReference
6731 kgReference
Speeds
D21 Serial Numbers
1963
—
100 (Series I)Reference
1964
—
1417 (Series I)Reference
1965
—
2130 (Series II)Reference
1966
—
2408 (Series II)Reference
1967
—
2863 (Series II)Reference
1968
—
3777 (Series II)Reference
1969
—
4498 (Series II)Reference
Allis Chalmers D21 Height
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.