Allis ChalmersModel A
Allis Chalmers FD3
Utility
- power
- 25 hp
- displacement
- 95.8 ci
- Cylinders
- 2
- Forward gears
- 8
Head to head · Utility
Allis Chalmers FD3 vs Silver King R66
Image not recorded
Silver KingModel B
Silver King R66
Row Crop
- power
- 24.5 hp
- displacement
- 113 ci
- Cylinders
- 4
- Forward gears
- 4
Allis ChalmersAllis Chalmers FD3
vs
Silver KingSilver King R66
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ FD3 higher · +0.5 hp (+2%)FD325 hp
R6624.5 hp
Median Utility Tractor55 hp
FD3 is in the 16th percentile; R66 is in the 15th · 5,383 models
Engine Displacement
▲ R66 higher · +17.2 ci (+18%)FD395.8 ci
R66113 ci
Median Utility Tractor183 ci
FD3 is in the 22nd percentile; R66 is in the 27th · 5,580 models
Cylinders
▲ R66 higher · +2 (+100%)FD32
R664
Median Utility Tractor4
FD3 is in the 3rd percentile; R66 is in the 50th · 5,720 models
Forward Gears
▲ FD3 higher · +4 (+100%)FD38
R664
Median Utility Tractor12
FD3 is in the 23rd percentile; R66 is in the 4th · 4,941 models
FD3 (A)R66 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers FD3 | Silver King R66 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Silver King | — |
| Model | FD3 | R66 | — |
| Category | Utility | Row Crop | — |
Engine
| Spec | Allis Chalmers FD3 | Silver King R66 | Difference |
|---|---|---|---|
| Manufacturer | Vendeuvre | Hercules | — |
| Power Output | 25hp | 24.5hp | ▲ FD3+0.5 hp · +2% |
| Rated RPM | 2,200RPM | 1,400RPM | ▲ FD3+800 RPM · +57% |
| Cylinders | 2 | 4 | ▲ R66+2 · +100% |
| Displacement | 95.8ci | 113ci | ▲ R66+17.2 ci · +18% |
| Bore | 3.1in | 3in | ▲ FD3+0.1 in · +3% |
| Stroke | 3.9in | 4in | ▲ R66+0.1 in · +3% |
Transmission
| Spec | Allis Chalmers FD3 | Silver King R66 | Difference |
|---|---|---|---|
| Type | Manual | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers FD3 | Silver King R66 | Difference |
|---|---|---|---|
| Length | 112in | 128in | ▲ R66+16 in · +14% |
| Width | Not recorded | 75in | — |
| Height | 51.2in | 64in | ▲ R66+12.8 in · +25% |
| Operating Weight | 3,150lb | 2,790lb | ▲ FD3+360 lb · +13% |
Hydraulics
| Spec | Allis Chalmers FD3 | Silver King R66 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Allis Chalmers FD3 | Silver King R66 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 3x2 2WD | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
Operator Station
| Spec | Allis Chalmers FD3 | Silver King R66 | Difference |
|---|---|---|---|
| Type | Not recorded | Open | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 16th percentile (25 hp)B · 15th percentile (24.5 hp)
Engine Displacement
median 183 ciA · 22nd percentile (95.8 ci)B · 27th percentile (113 ci)
Cylinders
median 4A · 3rd percentile (2)B · 50th percentile (4)
Forward Gears
median 12A · 23rd percentile (8)B · 4th percentile (4)
Operating Weight
median 5,303 lbA · 25th percentile (3,150 lb)B · 20th percentile (2,790 lb)
A · FD3B · R66Median Utility Tractor