Allis ChalmersModel A
Allis Chalmers HD5
Crawler
- power
- Not recorded
- displacement
- 142 ci
- Cylinders
- 2
- Forward gears
- 5
Head to head · Agricultural
Allis Chalmers HD5 vs David Brown 40TD
David BrownModel B
David Brown 40TD
Agricultural
- power
- Not recorded
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
Allis ChalmersAllis Chalmers HD5
vs
David BrownDavid Brown 40TD
How they compare
Headline specs vs. the whole Agricultural
Engine Displacement
▲ 40TD higher · +23 ci (+16%)HD5142 ci
40TD165 ci
Median Agricultural Tractor336 ci
HD5 is in the 4th percentile; 40TD is in the 9th · 1,083 models
Cylinders
▲ 40TD higher · +2 (+100%)HD52
40TD4
Median Agricultural Tractor5.5
HD5 is in the 3rd percentile; 40TD is in the 31st · 1,130 models
Forward Gears
▲ 40TD higher · +1 (+20%)HD55
40TD6
Median Agricultural Tractor16
HD5 is in the 7th percentile; 40TD is in the 11th · 972 models
Operating Weight
▲ HD5 higher · +2,450 lb (+30%)HD510,500 lb
40TD8,050 lb
Median Agricultural Tractor10,914 lb
HD5 is in the 48th percentile; 40TD is in the 32nd · 971 models
HD5 (A)40TD (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | David Brown | — |
| Model | HD5 | 40TD | — |
| Category | Crawler, Agricultural | Agricultural | — |
Engine
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Manufacturer | General Motors | David Brown | — |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ 40TD+400 RPM · +22% |
| Cylinders | 2 | 4 | ▲ 40TD+2 · +100% |
| Displacement | 142ci | 165ci | ▲ 40TD+23 ci · +16% |
| Bore | 4.3in | 3.6in | ▲ HD5+0.7 in · +19% |
| Stroke | 5in | 4in | ▲ HD5+1 in · +25% |
Transmission
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Type | Sliding Gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Length | 125in | 113in | ▲ HD5+12 in · +11% |
| Width | 62.5in | Not recorded | — |
| Height | 60.4in | 62in | ▲ 40TD+1.6 in · +3% |
| Operating Weight | 10,500lb | 8,050lb | ▲ HD5+2,450 lb · +30% |
Chassis & Drive
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
Electrical
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Coolant | 3.8gal | 4.2gal | ▲ 40TD+0.4 gal · +11% |
Operator Station
| Spec | Allis Chalmers HD5 | David Brown 40TD | Difference |
|---|---|---|---|
| Type | Open Operator Station | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 336 ciA · 4th percentile (142 ci)B · 9th percentile (165 ci)
Cylinders
median 5.5A · 3rd percentile (2)B · 31st percentile (4)
Forward Gears
median 16A · 7th percentile (5)B · 11th percentile (6)
Operating Weight
median 10,914 lbA · 48th percentile (10,500 lb)B · 32nd percentile (8,050 lb)
Length
median 173 inA · 9th percentile (125 in)B · 4th percentile (113 in)
A · HD5B · 40TDMedian Agricultural Tractor