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Allis Chalmers 8030 High-Clearance vs Allis Chalmers D21 Series II
Verdict: Allis Chalmers 8030 High-Clearance vs Allis Chalmers D21 Series II
The Allis Chalmers 8030 High-Clearance and the Allis Chalmers D21 Series II are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 8030 High-Clearance leads on rated power with 134 hp against 128 hp. Allis Chalmers 8030 High-Clearance is the newer design (1982 vs 1963). In short: choose the Allis Chalmers 8030 High-Clearance for outright pulling power, or the Allis Chalmers D21 Series II 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
134 hp
128 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
Six power shift gears in two ranges. Clutch must be used to shift range.Reference
With 18.4x34 rear tires.Reference
Total built
—
2,409Reference
Variants
8030
row-cropReference
—
8030HC
high-cropReference
—
Engine
Drawbar (claimed)
87.0 kWReference
—
Displacement
7.0 LReference
7.0 LReference
Bore/Stroke
108 x 127 mmReference
108 x 127 mmReference
Rated RPM
2300Reference
2200Reference
Operating RPM
750-2580Reference
—
Starter
electricReference
—
Starter volts
12Reference
—
Oil capacity
30.3 LReference
87.1 LReference
Coolant capacity
34.1 LReference
29.3 LReference
Fuel tank
—
196.8 LReference
Plows
—
7Reference
Drawbar (tested)
—
86.8 kWReference
Compression
—
16.0:1Reference
Firing order
—
1-5-3-6-2-4Reference
Intake valve clearance
—
0.381 mmReference
Exhaust valve clearance
—
0.381 mmReference
Power at rated engine speed
—
95.3 kWReference
Max power
—
86.8 kWReference
Transmission
Transmission
Power ShiftReference
Power DirectorReference
Gears
12 forward and 2 reverseReference
8 forward and 2 reverseReference
Clutch
—
dry discReference
PTO & Hydraulics
PTO (claimed)
99.8 kWReference
90.2 kWReference
Hydraulic system
140.0 LReference
—
Type
six-speed power shiftReference
sliding gearReference
Capacity
140.0 LReference
—
Rear Type
III/IIReference
III/IIReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000Reference
1000Reference
PTO (tested)
—
95.3 kWReference
Capacities
Fuel
227.1 LReference
—
Dimensions
Wheelbase
269 cmReference
244 cmReference
Front tire
9.50x20Reference
7.50x20Reference
Rear tire
18.4x38Reference
18.4x34Reference
Ag front
9.50x20Reference
11.00x16Reference
Ag rear
20.8x38Reference
24.5x32Reference
Length
474 cmReference
407 cmReference
Width
229 cmReference
232 cmReference
Height (cab)
327 cmReference
—
Height (exhaust)
325 cmReference
—
Clearance (front axle)
92 cmReference
54 cmReference
Clearance (drawbar)
77 cmReference
—
Front tread
177 to 198 cmReference
—
Rear tread
177 to 218 cmReference
—
Weight
—
4309 kgReference
Shipping weight
—
4309 kgReference
Ballasted weight
—
5307 kgReference
Clearance (rear axle)
—
67 cmReference
Rear axle
—
82 mmReference
Steering wheel
—
229 cmReference
D21 Serial Number Location
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
Final
—
4609 (Series II)Reference
Electrical
Ground
—
negativeReference
Charging system
—
Delco-Remy generatorReference
Charging amps
—
32Reference
Batteries
—
4Reference
Battery volts
—
12Reference
Battery AH
—
95Reference
Allis Chalmers D21 Height
Hood
—
182 cmReference
Exhaust
—
270 cmReference
Test results
Fuel use
—
29.9 l/hourReference
Max pull
—
6922 kgReference
Speeds
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.