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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 White 2-105
WhiteModel B
White 2-105
Row Crop
- power
- 105 hp
- displacement
- 354 ci
- Cylinders
- 6
- Forward gears
- 18
Allis ChalmersAllis Chalmers D21 Series I
vs
WhiteWhite 2-105
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 2-105 higher · +2 hp (+2%)D21 Series I103 hp
2-105105 hp
Median Row Crop Tractor138 hp
D21 Series I is in the 27th percentile; 2-105 is in the 28th · 1,206 models
Engine Displacement
▲ D21 Series I higher · +72 ci (+20%)D21 Series I426 ci
2-105354 ci
Median Row Crop Tractor391 ci
D21 Series I is in the 72nd percentile; 2-105 is in the 39th · 1,409 models
Cylinders
= Effectively tiedD21 Series I6
2-1056
Median Row Crop Tractor6
D21 Series I is in the 50th percentile; 2-105 is in the 50th · 1,417 models
Forward Gears
▲ 2-105 higher · +10 (+125%)D21 Series I8
2-10518
Median Row Crop Tractor16
D21 Series I is in the 16th percentile; 2-105 is in the 61st · 1,200 models
D21 Series I (A)2-105 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | White | — |
| Model | D21 Series I | 2-105 | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Perkins | — |
| Model | 3400 | Perkins | — |
| Power Output | 103hp | 105hp | ▲ 2-105+2 hp · +2% |
| Rated RPM | 2,200RPM | 2,200RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 354ci | ▲ D21 Series I+72 ci · +20% |
| Bore | 4.3in | 3.9in | ▲ D21 Series I+0.4 in · +10% |
| Stroke | 5in | 5in | Same |
Transmission
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | Partial powershift | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Length | 161in | 178in | ▲ 2-105+17 in · +11% |
| Width | 91.6in | 80.6in | ▲ D21 Series I+11 in · +14% |
| Height | 107in | 85.5in | ▲ D21 Series I+21.5 in · +25% |
| Operating Weight | 9,500lb | 11,810lb | ▲ 2-105+2,310 lb · +24% |
Hydraulics
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed center | — |
| Steering Type | Power | Hydrostatic power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Type | Independent | Independent | Same |
| Speed 1 | 1,000rpm | 540rpm | ▲ D21 Series I+460 rpm · +85% |
| Speed 2 | Not recorded | 1,000rpm | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | III/II | Category 2 | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Power | Hydrostatic power | — |
| Brake Type | Band actuated disc | Independent hydraulic wet disc | — |
Electrical
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Coolant | 5.3gal | 6gal | ▲ 2-105+0.7 gal · +13% |
Operator Station
| Spec | Allis Chalmers D21 Series I | White 2-105 | Difference |
|---|---|---|---|
| Type | Open | Cab optional with heat and A/C | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 27th percentile (103 hp)B · 28th percentile (105 hp)
Engine Displacement
median 391 ciA · 72nd percentile (426 ci)B · 39th percentile (354 ci)
Cylinders
median 6A · 50th percentile (6)B · 50th percentile (6)
Forward Gears
median 16A · 16th percentile (8)B · 61st percentile (18)
Operating Weight
median 12,307 lbA · 28th percentile (9,500 lb)B · 46th percentile (11,810 lb)
A · D21 Series IB · 2-105Median Row Crop Tractor