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Allis ChalmersModel A
Allis Chalmers D272
Utility
- power
- 27.5 hp
- displacement
- 125 ci
- Cylinders
- 4
- Forward gears
- 3
Head to head · Utility
Allis Chalmers D272 vs David Brown 25
David BrownModel B
David Brown 25
Lawn and Garden
- power
- 29.1 hp
- displacement
- 154 ci
- Cylinders
- 4
- Forward gears
- 6
Allis ChalmersAllis Chalmers D272
vs
David BrownDavid Brown 25
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 25 higher · +1.6 hp (+6%)D27227.5 hp
2529.1 hp
Median Utility Tractor55 hp
D272 is in the 19th percentile; 25 is in the 21st · 5,383 models
Engine Displacement
▲ 25 higher · +29 ci (+23%)D272125 ci
25154 ci
Median Utility Tractor183 ci
D272 is in the 30th percentile; 25 is in the 41st · 5,580 models
Cylinders
= Effectively tiedD2724
254
Median Utility Tractor4
D272 is in the 50th percentile; 25 is in the 50th · 5,720 models
Forward Gears
▲ 25 higher · +3 (+100%)D2723
256
Median Utility Tractor12
D272 is in the 3rd percentile; 25 is in the 11th · 4,941 models
D272 (A)25 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | David Brown | — |
| Model | D272 | 25 | — |
| Category | Utility | Lawn and Garden | — |
Engine
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | David Brown | — |
| Model | 2.1L 4-cyl gasoline | 2.5L 4-cyl | — |
| Power Output | 27.5hp | 29.1hp | ▲ 25+1.6 hp · +6% |
| Rated RPM | 1,650RPM | 2,000RPM | ▲ 25+350 RPM · +21% |
| Cylinders | 4 | 4 | Same |
| Displacement | 125ci | 154ci | ▲ 25+29 ci · +23% |
| Bore | 3.4in | 3.5in | ▲ 25+0.1 in · +3% |
| Stroke | 3.5in | 4in | ▲ 25+0.5 in · +14% |
Transmission
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Type | Sliding gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Length | 110in | 113in | ▲ 25+3 in · +3% |
| Height | 63in | Not recorded | — |
| Operating Weight | 2,060lb | 4,335lb | ▲ 25+2,275 lb · +110% |
Hydraulics
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
Electrical
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
Capacities
| Spec | Allis Chalmers D272 | David Brown 25 | Difference |
|---|---|---|---|
| Coolant | 2gal | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 19th percentile (27.5 hp)B · 21st percentile (29.1 hp)
Engine Displacement
median 183 ciA · 30th percentile (125 ci)B · 41st percentile (154 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 3rd percentile (3)B · 11th percentile (6)
Operating Weight
median 5,303 lbA · 13th percentile (2,060 lb)B · 41st percentile (4,335 lb)
A · D272B · 25Median Utility Tractor