Allis ChalmersModel A
Allis Chalmers H3
Utility
- power
- Not recorded
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 8
Head to head · Utility
Allis Chalmers H3 vs Allis Chalmers HD3
Allis ChalmersModel B
Allis Chalmers HD3
Utility
- power
- Not recorded
- displacement
- 175 ci
- Cylinders
- 4
- Forward gears
- 8
Allis ChalmersAllis Chalmers H3
vs
Allis ChalmersAllis Chalmers HD3
How they compare
Headline specs vs. the whole Utility
Engine Displacement
▲ HD3 higher · +26 ci (+17%)H3149 ci
HD3175 ci
Median Utility Tractor183 ci
H3 is in the 39th percentile; HD3 is in the 46th · 5,580 models
Cylinders
= Effectively tiedH34
HD34
Median Utility Tractor4
H3 is in the 50th percentile; HD3 is in the 50th · 5,720 models
Forward Gears
= Effectively tiedH38
HD38
Median Utility Tractor12
H3 is in the 23rd percentile; HD3 is in the 23rd · 4,941 models
Operating Weight
▲ HD3 higher · +250 lb (+3%)H37,395 lb
HD37,645 lb
Median Utility Tractor5,303 lb
H3 is in the 70th percentile; HD3 is in the 73rd · 5,107 models
H3 (A)HD3 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | H3 | HD3 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Rated RPM | 1,650RPM | 1,650RPM | Same |
| Cylinders | 4 | 4 | Same |
| Displacement | 149ci | 175ci | ▲ HD3+26 ci · +17% |
| Bore | 3.5in | 3.6in | ▲ HD3+0.1 in · +3% |
| Stroke | 3.9in | 4.4in | ▲ HD3+0.5 in · +13% |
Transmission
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Type | Two-Speed Power Shift, Mechanical Shuttle | Two-speed power shift, mechanical shuttle | Same |
Dimensions & Weight
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Length | 109in | 109in | Same |
| Height | 48.3in | 48.3in | Same |
| Operating Weight | 7,395lb | 7,645lb | ▲ HD3+250 lb · +3% |
Hydraulics
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| System Type | Open Center | Open Center | Same |
| Steering Type | Mechanical Clutches | Mechanical clutches | Same |
Chassis & Drive
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Steering Type | Mechanical Clutches | Mechanical clutches | Same |
Electrical
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers H3 | Allis Chalmers HD3 | Difference |
|---|---|---|---|
| Coolant | 2.3gal | 2.3gal | Same |
Category context
Both models against the field
Engine Displacement
median 183 ciA · 39th percentile (149 ci)B · 46th percentile (175 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 23rd percentile (8)B · 23rd percentile (8)
Operating Weight
median 5,303 lbA · 70th percentile (7,395 lb)B · 73rd percentile (7,645 lb)
Length
median 137 inA · 15th percentile (109 in)B · 15th percentile (109 in)
A · H3B · HD3Median Utility Tractor