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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 Steyr 9105 MT
SteyrModel B
Steyr 9105 MT
Agricultural
- power
- 102 hp
- displacement
- 268 ci
- Cylinders
- 4
- Forward gears
- 16
Allis ChalmersAllis Chalmers D21 Series I
vs
SteyrSteyr 9105 MT
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ D21 Series I higher · +1 hp (<1%)D21 Series I103 hp
9105 MT102 hp
Median Row Crop Tractor138 hp
D21 Series I is in the 27th percentile; 9105 MT is in the 26th · 1,206 models
Engine Displacement
▲ D21 Series I higher · +158 ci (+59%)D21 Series I426 ci
9105 MT268 ci
Median Row Crop Tractor391 ci
D21 Series I is in the 72nd percentile; 9105 MT is in the 21st · 1,409 models
Cylinders
▲ D21 Series I higher · +2 (+50%)D21 Series I6
9105 MT4
Median Row Crop Tractor6
D21 Series I is in the 50th percentile; 9105 MT is in the 17th · 1,417 models
Forward Gears
▲ 9105 MT higher · +8 (+100%)D21 Series I8
9105 MT16
Median Row Crop Tractor16
D21 Series I is in the 16th percentile; 9105 MT is in the 50th · 1,200 models
D21 Series I (A)9105 MT (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Steyr | — |
| Model | D21 Series I | 9105 MT | — |
| Category | Row Crop | Agricultural | — |
Engine
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Not recorded | — |
| Model | 3400 | Not recorded | — |
| Power Output | 103hp | 102hp | ▲ D21 Series I+1 hp · <1% |
| Rated RPM | 2,200RPM | 2,300RPM | ▲ 9105 MT+100 RPM · +5% |
| Cylinders | 6 | 4 | ▲ D21 Series I+2 · +50% |
| Displacement | 426ci | 268ci | ▲ D21 Series I+158 ci · +59% |
| Bore | 4.3in | Not recorded | — |
| Stroke | 5in | Not recorded | — |
Transmission
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Type | Sliding gear with dry disc clutch | STEYR Power-2 | — |
Dimensions & Weight
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Length | 161in | 167in | ▲ 9105 MT+6 in · +4% |
| Width | 91.6in | 86.4in | ▲ D21 Series I+5.2 in · +6% |
| Height | 107in | 108in | ▲ 9105 MT+1 in · <1% |
| Operating Weight | 9,500lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Steering Type | Power | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Tires
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 14.9 R24 | — |
| Rear Tire Size | Not recorded | 18.4 R34 | — |
Hitch & Towing
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | Category 3 | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Power | Not recorded | — |
| Brake Type | Band actuated disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Coolant | 5.3gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D21 Series I | Steyr 9105 MT | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 27th percentile (103 hp)B · 26th percentile (102 hp)
Engine Displacement
median 391 ciA · 72nd percentile (426 ci)B · 21st percentile (268 ci)
Cylinders
median 6A · 50th percentile (6)B · 17th percentile (4)
Forward Gears
median 16A · 16th percentile (8)B · 50th percentile (16)
Length
median 180 inA · 25th percentile (161 in)B · 32nd percentile (167 in)
A · D21 Series IB · 9105 MTMedian Row Crop Tractor