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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 Yanmar SX3100
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YanmarModel B
Yanmar SX3100
Utility
- power
- 31.2 hp
- displacement
- 100 ci
- Cylinders
- 3
- Forward gears
- Not recorded
Allis ChalmersAllis Chalmers D12
vs
YanmarYanmar SX3100
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ SX3100 higher · +0.2 hp (<1%)D1231 hp
SX310031.2 hp
Median Row Crop Tractor138 hp
D12 is in the 3rd percentile; SX3100 is in the 3rd · 1,206 models
Engine Displacement
▲ D12 higher · +49 ci (+49%)D12149 ci
SX3100100 ci
Median Row Crop Tractor391 ci
D12 is in the 4th percentile; SX3100 is in the 1st · 1,409 models
Cylinders
▲ D12 higher · +1 (+33%)D124
SX31003
Median Row Crop Tractor6
D12 is in the 17th percentile; SX3100 is in the 2nd · 1,417 models
Operating Weight
▲ D12 higher · +770 lb (+38%)D122,800 lb
SX31002,030 lb
Median Row Crop Tractor12,307 lb
D12 is in the 2nd percentile; SX3100 is in the 1st · 1,350 models
D12 (A)SX3100 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Yanmar | — |
| Model | D12 | SX3100 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Yanmar | — |
| Model | Power-Crater | Not recorded | — |
| Power Output | 31hp | 31.2hp | ▲ SX3100+0.2 hp · <1% |
| Rated RPM | 1,650RPM | 2,500RPM | ▲ SX3100+850 RPM · +52% |
| Cylinders | 4 | 3 | ▲ D12+1 · +33% |
| Displacement | 149ci | 100ci | ▲ D12+49 ci · +49% |
| Bore | 3.5in | 3.5in | Same |
| Stroke | 3.9in | 3.5in | ▲ D12+0.4 in · +11% |
Transmission
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Hydrostatic | — |
Dimensions & Weight
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Length | 121in | 109in | ▲ D12+12 in · +11% |
| Width | Not recorded | 51.6in | — |
| Height | 76.5in | Not recorded | — |
| Operating Weight | 2,800lb | 2,030lb | ▲ D12+770 lb · +38% |
Hydraulics
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| System Type | Live | Open Center | — |
| Steering Type | Manual | Hydraulic power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Type | Rear | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Category 1 | — |
| Hitch Category | I | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Hydraulic power | — |
Electrical
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Coolant | 2gal | 0.5gal | ▲ D12+1.5 gal · +300% |
Operator Station
| Spec | Allis Chalmers D12 | Yanmar SX3100 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (31 hp)B · 3rd percentile (31.2 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 1st percentile (100 ci)
Cylinders
median 6A · 17th percentile (4)B · 2nd percentile (3)
Operating Weight
median 12,307 lbA · 2nd percentile (2,800 lb)B · 1st percentile (2,030 lb)
Length
median 180 inA · 3rd percentile (121 in)B · 1st percentile (109 in)
A · D12B · SX3100Median Row Crop Tractor