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Allis ChalmersModel A
Allis Chalmers D12
Row Crop
- power
- 31 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Row Crop
Allis Chalmers D12 vs Kubota STA-30
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KubotaModel B
Kubota STA-30
Utility
- power
- 30 hp
- displacement
- 89.3 ci
- Cylinders
- 3
- Forward gears
- Not recorded
Allis ChalmersAllis Chalmers D12
vs
KubotaKubota STA-30
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ D12 higher · +1 hp (+3%)D1231 hp
STA-3030 hp
Median Row Crop Tractor138 hp
D12 is in the 3rd percentile; STA-30 is in the 2nd · 1,206 models
Engine Displacement
▲ D12 higher · +59.7 ci (+67%)D12149 ci
STA-3089.3 ci
Median Row Crop Tractor391 ci
D12 is in the 4th percentile; STA-30 is in the 1st · 1,409 models
Cylinders
▲ D12 higher · +1 (+33%)D124
STA-303
Median Row Crop Tractor6
D12 is in the 17th percentile; STA-30 is in the 2nd · 1,417 models
Length
▲ D12 higher · +8 in (+7%)D12121 in
STA-30113 in
Median Row Crop Tractor180 in
D12 is in the 3rd percentile; STA-30 is in the 2nd · 1,157 models
D12 (A)STA-30 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Kubota | — |
| Model | D12 | STA-30 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Kubota | — |
| Model | Power-Crater | D1643 | — |
| Power Output | 31hp | 30hp | ▲ D12+1 hp · +3% |
| Rated RPM | 1,650RPM | 2,700RPM | ▲ STA-30+1,050 RPM · +64% |
| Cylinders | 4 | 3 | ▲ D12+1 · +33% |
| Displacement | 149ci | 89.3ci | ▲ D12+59.7 ci · +67% |
| Bore | 3.5in | 3.2in | ▲ D12+0.3 in · +9% |
| Stroke | 3.9in | 3.6in | ▲ D12+0.3 in · +8% |
Transmission
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Hydrostatic | — |
Dimensions & Weight
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Length | 121in | 113in | ▲ D12+8 in · +7% |
| Width | Not recorded | 48.1in | — |
| Height | 76.5in | 92.5in | ▲ STA-30+16 in · +21% |
| Operating Weight | 2,800lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| System Type | Live | Not recorded | — |
| Steering Type | Manual | Power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Type | Rear | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Tires
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 6.00-12 | — |
| Rear Tire Size | Not recorded | 9.5-22 | — |
Hitch & Towing
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Rear Type: I | — |
| Hitch Category | I | Category 3 | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Power | — |
Electrical
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Coolant | 2gal | 1.5gal | ▲ D12+0.5 gal · +33% |
Operator Station
| Spec | Allis Chalmers D12 | Kubota STA-30 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (31 hp)B · 2nd percentile (30 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 1st percentile (89.3 ci)
Cylinders
median 6A · 17th percentile (4)B · 2nd percentile (3)
Length
median 180 inA · 3rd percentile (121 in)B · 2nd percentile (113 in)
Height
median 114 inA · 10th percentile (76.5 in)B · 19th percentile (92.5 in)
A · D12B · STA-30Median Row Crop Tractor