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Allis ChalmersModel A
Allis Chalmers D21 Series I
Row Crop
- power
- 103 hp
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 8
Head to head · Row Crop
Allis Chalmers D21 Series I vs Ford 8010
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Allis ChalmersAllis Chalmers D21 Series I
vs
FordFord 8010
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 8010 higher · +3 hp (+3%)D21 Series I103 hp
8010106 hp
Median Row Crop Tractor138 hp
D21 Series I is in the 27th percentile; 8010 is in the 29th · 1,206 models
Engine Displacement
▲ 8010 higher · +30 ci (+7%)D21 Series I426 ci
8010456 ci
Median Row Crop Tractor391 ci
D21 Series I is in the 72nd percentile; 8010 is in the 80th · 1,409 models
Cylinders
= Effectively tiedD21 Series I6
80106
Median Row Crop Tractor6
D21 Series I is in the 50th percentile; 8010 is in the 50th · 1,417 models
Forward Gears
▲ 8010 higher · +8 (+100%)D21 Series I8
801016
Median Row Crop Tractor16
D21 Series I is in the 16th percentile; 8010 is in the 50th · 1,200 models
D21 Series I (A)8010 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | D21 Series I | 8010 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | 3400 | Not recorded | — |
| Power Output | 103hp | 106hp | ▲ 8010+3 hp · +3% |
| Rated RPM | 2,200RPM | Not recorded | — |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 456ci | ▲ 8010+30 ci · +7% |
| Bore | 4.3in | 4.4in | ▲ 8010+0.1 in · +2% |
| Stroke | 5in | 5in | Same |
Transmission
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Unsynchronized gear & Two-speed power shift | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Length | 161in | Not recorded | — |
| Width | 91.6in | Not recorded | — |
| Height | 107in | Not recorded | — |
| Operating Weight | 9,500lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed | — |
| Steering Type | Power | Hydrostatic power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | II | — |
| Hitch Category | III/II | Category 3 | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Power | Hydrostatic power | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Coolant | 5.3gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series I | Ford 8010 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 27th percentile (103 hp)B · 29th percentile (106 hp)
Engine Displacement
median 391 ciA · 72nd percentile (426 ci)B · 80th percentile (456 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 16th percentile (8)B · 50th percentile (16)
A · D21 Series IB · 8010Median Row Crop Tractor