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Allis ChalmersModel A
Allis Chalmers D10
Row Crop
- power
- 28.6 hp
- displacement
- 139 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Row Crop
Allis Chalmers D10 vs Silver King R66
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Silver KingModel B
Silver King R66
Row Crop
- power
- 24.5 hp
- displacement
- 113 ci
- Cylinders
- 4
- Forward gears
- 4
Allis ChalmersAllis Chalmers D10
vs
Silver KingSilver King R66
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ D10 higher · +4.1 hp (+17%)D1028.6 hp
R6624.5 hp
Median Row Crop Tractor138 hp
D10 is in the 2nd percentile; R66 is in the 2nd · 1,206 models
Engine Displacement
▲ D10 higher · +26 ci (+23%)D10139 ci
R66113 ci
Median Row Crop Tractor391 ci
D10 is in the 3rd percentile; R66 is in the 1st · 1,409 models
Cylinders
= Effectively tiedD104
R664
Median Row Crop Tractor6
D10 is in the 17th percentile; R66 is in the 17th · 1,417 models
Forward Gears
= Effectively tiedD104
R664
Median Row Crop Tractor16
D10 is in the 4th percentile; R66 is in the 4th · 1,200 models
D10 (A)R66 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Silver King | — |
| Model | D10 | R66 | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Hercules | — |
| Model | Power-Crater | Not recorded | — |
| Power Output | 28.6hp | 24.5hp | ▲ D10+4.1 hp · +17% |
| Rated RPM | 1,650RPM | 1,400RPM | ▲ D10+250 RPM · +18% |
| Cylinders | 4 | 4 | Same |
| Displacement | 139ci | 113ci | ▲ D10+26 ci · +23% |
| Bore | 3.4in | 3in | ▲ D10+0.4 in · +13% |
| Stroke | 3.9in | 4in | ▲ R66+0.1 in · +3% |
Transmission
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Length | 121in | 128in | ▲ R66+7 in · +6% |
| Width | Not recorded | 75in | — |
| Height | 76in | 64in | ▲ D10+12 in · +19% |
| Operating Weight | 2,700lb | 2,790lb | ▲ R66+90 lb · +3% |
Hydraulics
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| System Type | Live | Not recorded | — |
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Type | Transmission | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Not recorded | — |
| Hitch Category | I | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 3x2 2WD | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Differential Mechanical Shoe | Not recorded | — |
Electrical
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Coolant | 2gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D10 | Silver King R66 | Difference |
|---|---|---|---|
| Type | Open | Open | Same |
Category context
Both models against the field
Engine Power
median 138 hpA · 2nd percentile (28.6 hp)B · 2nd percentile (24.5 hp)
Engine Displacement
median 391 ciA · 3rd percentile (139 ci)B · 1st percentile (113 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 4th percentile (4)B · 4th percentile (4)
Operating Weight
median 12,307 lbA · 1st percentile (2,700 lb)B · 2nd percentile (2,790 lb)
A · D10B · R66Median Row Crop Tractor