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Allis ChalmersModel A
Allis Chalmers ED40
Utility
- power
- 41 hp
- displacement
- 138 ci
- Cylinders
- 4
- Forward gears
- 8
Head to head · Utility
Allis Chalmers ED40 vs Hart-Parr 40
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Hart-ParrModel B
Hart-Parr 40
Utility
- power
- 40.7 hp
- displacement
- 618 ci
- Cylinders
- 4
- Forward gears
- 2
Allis ChalmersAllis Chalmers ED40
vs
Hart-ParrHart-Parr 40
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ ED40 higher · +0.3 hp (<1%)ED4041 hp
4040.7 hp
Median Utility Tractor55 hp
ED40 is in the 35th percentile; 40 is in the 35th · 5,383 models
Engine Displacement
▲ 40 higher · +480 ci (+348%)ED40138 ci
40618 ci
Median Utility Tractor183 ci
ED40 is in the 35th percentile; 40 is in the 95th · 5,580 models
Cylinders
= Effectively tiedED404
404
Median Utility Tractor4
ED40 is in the 50th percentile; 40 is in the 50th · 5,720 models
Forward Gears
▲ ED40 higher · +6 (+300%)ED408
402
Median Utility Tractor12
ED40 is in the 23rd percentile; 40 is in the 1st · 4,941 models
ED40 (A)40 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Hart-Parr | — |
| Model | ED40 | 40 | — |
| Category | Utility | Utility, Standard Tread | — |
Engine
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Manufacturer | Standard Ricardo | Hart-Parr | — |
| Model | 23C | Not recorded | — |
| Power Output | 41hp | 40.7hp | ▲ ED40+0.3 hp · <1% |
| Rated RPM | 2,250RPM | 802RPM | ▲ ED40+1,448 RPM · +181% |
| Cylinders | 4 | 4 | Same |
| Displacement | 138ci | 618ci | ▲ 40+480 ci · +348% |
| Bore | 3.3in | 5.5in | ▲ 40+2.2 in · +67% |
| Stroke | 4in | 6.5in | ▲ 40+2.5 in · +63% |
Transmission
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Length | 114in | 140in | ▲ 40+26 in · +23% |
| Width | 63in | 96in | ▲ 40+33 in · +52% |
| Height | 68in | 67in | ▲ ED40+1 in · +1% |
| Operating Weight | 3,527lb | 6,300lb | ▲ 40+2,773 lb · +79% |
Hydraulics
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
| Steering Type | Manual | Manual | Same |
Hitch & Towing
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Hitch Category | I | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
Electrical
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Starter Type | Electric Starter - 12 volts | Not recorded | — |
| Pre-heating System | Glow plugs | Not recorded | — |
Capacities
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Coolant | 2.6gal | 28.8gal | ▲ 40+26.2 gal · +1008% |
Operator Station
| Spec | Allis Chalmers ED40 | Hart-Parr 40 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 35th percentile (41 hp)B · 35th percentile (40.7 hp)
Engine Displacement
median 183 ciA · 35th percentile (138 ci)B · 95th percentile (618 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 23rd percentile (8)B · 1st percentile (2)
Operating Weight
median 5,303 lbA · 30th percentile (3,527 lb)B · 60th percentile (6,300 lb)
A · ED40B · 40Median Utility Tractor