Allis ChalmersModel A
Allis Chalmers M
Crawler
- power
- Not recorded
- displacement
- 318 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Crawler
Allis Chalmers M vs Hart-Parr Little Devil 25-22
Image not recorded
Hart-ParrModel B
Hart-Parr Little Devil 25-22
Standard Tread
- power
- Not recorded
- displacement
- 333 ci
- Cylinders
- 2
- Forward gears
- 2
Allis ChalmersAllis Chalmers M
vs
Hart-ParrHart-Parr Little Devil 25-22
How they compare
Headline specs vs. the whole Crawler
Engine Displacement
▲ Little Devil 25-22 higher · +15 ci (+5%)M318 ci
Little Devil 25-22333 ci
Median Crawler Tractor468 ci
M is in the 42nd percentile; Little Devil 25-22 is in the 42nd · 191 models
Cylinders
▲ M higher · +2 (+100%)M4
Little Devil 25-222
Median Crawler Tractor6
M is in the 33rd percentile; Little Devil 25-22 is in the 1st · 192 models
Forward Gears
▲ M higher · +2 (+100%)M4
Little Devil 25-222
Median Crawler Tractor10
M is in the 16th percentile; Little Devil 25-22 is in the 2nd · 179 models
Operating Weight
▲ Little Devil 25-22 higher · +27 lb (<1%)M6,620 lb
Little Devil 25-226,647 lb
Median Crawler Tractor23,320 lb
M is in the 25th percentile; Little Devil 25-22 is in the 25th · 173 models
M (A)Little Devil 25-22 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Hart-Parr | — |
| Model | M | Little Devil 25-22 | — |
| Category | Crawler, Agricultural | Standard Tread | — |
Engine
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Hart-Parr | — |
| Rated RPM | 1,200RPM | 600RPM | ▲ M+600 RPM · +100% |
| Cylinders | 4 | 2 | ▲ M+2 · +100% |
| Displacement | 318ci | 333ci | ▲ Little Devil 25-22+15 ci · +5% |
| Bore | 4.5in | 5.5in | ▲ Little Devil 25-22+1 in · +22% |
| Stroke | 5in | 7in | ▲ Little Devil 25-22+2 in · +40% |
Transmission
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Length | 101in | 104in | ▲ Little Devil 25-22+3 in · +3% |
| Width | 57.3in | 95.5in | ▲ Little Devil 25-22+38.2 in · +67% |
| Height | 56in | 84in | ▲ Little Devil 25-22+28 in · +50% |
| Operating Weight | 6,620lb | 6,647lb | ▲ Little Devil 25-22+27 lb · <1% |
Hydraulics
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Steering Type | Manual | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
Chassis & Drive
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 4x2 | — |
| Drive Type | Track | 2WD | — |
| Steering Type | Manual | Not recorded | — |
Electrical
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers M | Hart-Parr Little Devil 25-22 | Difference |
|---|---|---|---|
| Coolant | 6gal | 13.3gal | ▲ Little Devil 25-22+7.3 gal · +122% |
Category context
Both models against the field
Engine Displacement
median 468 ciA · 42nd percentile (318 ci)B · 42nd percentile (333 ci)
Cylinders
median 6A · 33rd percentile (4)B · 1st percentile (2)
Forward Gears
median 10A · 16th percentile (4)B · 2nd percentile (2)
Operating Weight
median 23,320 lbA · 25th percentile (6,620 lb)B · 25th percentile (6,647 lb)
Length
median 146 inA · 5th percentile (101 in)B · 10th percentile (104 in)
A · MB · Little Devil 25-22Median Crawler Tractor