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Allis ChalmersModel A
Allis Chalmers FD5
Utility
- power
- 50 hp
- displacement
- 247 ci
- Cylinders
- 3
- Forward gears
- 8
Head to head · Utility
Allis Chalmers FD5 vs Nuffield PM-4 Universal
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NuffieldModel B
Nuffield PM-4 Universal
Utility
- power
- 40.8 hp
- displacement
- 230 ci
- Cylinders
- 4
- Forward gears
- 5
Allis ChalmersAllis Chalmers FD5
vs
NuffieldNuffield PM-4 Universal
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ FD5 higher · +9.2 hp (+23%)FD550 hp
PM-4 Universal40.8 hp
Median Utility Tractor55 hp
FD5 is in the 45th percentile; PM-4 Universal is in the 35th · 5,383 models
Engine Displacement
▲ FD5 higher · +17 ci (+7%)FD5247 ci
PM-4 Universal230 ci
Median Utility Tractor183 ci
FD5 is in the 69th percentile; PM-4 Universal is in the 62nd · 5,580 models
Cylinders
▲ PM-4 Universal higher · +1 (+33%)FD53
PM-4 Universal4
Median Utility Tractor4
FD5 is in the 23rd percentile; PM-4 Universal is in the 50th · 5,720 models
Forward Gears
▲ FD5 higher · +3 (+60%)FD58
PM-4 Universal5
Median Utility Tractor12
FD5 is in the 23rd percentile; PM-4 Universal is in the 6th · 4,941 models
FD5 (A)PM-4 Universal (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Nuffield | — |
| Model | FD5 | PM-4 Universal | — |
| Category | Utility | Utility | Same |
Engine
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Manufacturer | Vendeuvre | Morris Motors | — |
| Model | Type 66 | Not recorded | — |
| Power Output | 50hp | 40.8hp | ▲ FD5+9.2 hp · +23% |
| Rated RPM | 1,800RPM | 2,000RPM | ▲ PM-4 Universal+200 RPM · +11% |
| Cylinders | 3 | 4 | ▲ PM-4 Universal+1 · +33% |
| Displacement | 247ci | 230ci | ▲ FD5+17 ci · +7% |
| Bore | 4.5in | 3.9in | ▲ FD5+0.6 in · +15% |
| Stroke | 5.1in | 4.7in | ▲ FD5+0.4 in · +9% |
Transmission
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Type | Manual | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Length | 130in | 122in | ▲ FD5+8 in · +7% |
| Width | 68.9in | Not recorded | — |
| Height | 63in | 80.7in | ▲ PM-4 Universal+17.7 in · +28% |
| Operating Weight | 5,412lb | 5,307lb | ▲ FD5+105 lb · +2% |
Hydraulics
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Not recorded | Manual | — |
Tires
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Front Tire Size | 5.5-20 | 6.00-16 | — |
| Rear Tire Size | Dec-38 | 11.00-36 | — |
Hitch & Towing
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Hitch Type | Category II | Not recorded | — |
| Hitch Category | 2 | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Chassis Type | 4x2 | 4x2 | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
Electrical
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers FD5 | Nuffield PM-4 Universal | Difference |
|---|---|---|---|
| Coolant | Not recorded | 4.5gal | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 45th percentile (50 hp)B · 35th percentile (40.8 hp)
Engine Displacement
median 183 ciA · 69th percentile (247 ci)B · 62nd percentile (230 ci)
Cylinders
median 4A · 23rd percentile (3)B · 50th percentile (4)
Forward Gears
median 12A · 23rd percentile (8)B · 6th percentile (5)
Operating Weight
median 5,303 lbA · 51st percentile (5,412 lb)B · 50th percentile (5,307 lb)
A · FD5B · PM-4 UniversalMedian Utility Tractor