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 McCormick-Deering W-40
Image not recorded
McCormick-DeeringModel B
McCormick-Deering W-40
Standard Tread
- power
- Not recorded
- displacement
- 298 ci
- Cylinders
- 6
- Forward gears
- 4
Allis ChalmersAllis Chalmers M
vs
McCormick-DeeringMcCormick-Deering W-40
How they compare
Headline specs vs. the whole Crawler
Engine Displacement
▲ M higher · +20 ci (+7%)M318 ci
W-40298 ci
Median Crawler Tractor468 ci
M is in the 42nd percentile; W-40 is in the 40th · 191 models
Cylinders
▲ W-40 higher · +2 (+50%)M4
W-406
Median Crawler Tractor6
M is in the 33rd percentile; W-40 is in the 50th · 192 models
Forward Gears
= Effectively tiedM4
W-404
Median Crawler Tractor10
M is in the 16th percentile; W-40 is in the 16th · 179 models
Operating Weight
▲ M higher · +520 lb (+9%)M6,620 lb
W-406,100 lb
Median Crawler Tractor23,320 lb
M is in the 25th percentile; W-40 is in the 23rd · 173 models
M (A)W-40 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | McCormick-Deering | — |
| Model | M | W-40 | — |
| Category | Crawler, Agricultural | Standard Tread | — |
Engine
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Rated RPM | 1,200RPM | 1,750RPM | ▲ W-40+550 RPM · +46% |
| Cylinders | 4 | 6 | ▲ W-40+2 · +50% |
| Displacement | 318ci | 298ci | ▲ M+20 ci · +7% |
| Bore | 4.5in | 3.8in | ▲ M+0.7 in · +18% |
| Stroke | 5in | 4.5in | ▲ M+0.5 in · +11% |
Transmission
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Type | Gear | Unsyncronized gear | — |
Dimensions & Weight
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Length | 101in | 142in | ▲ W-40+41 in · +41% |
| Width | 57.3in | 65.8in | ▲ W-40+8.5 in · +15% |
| Height | 56in | 73in | ▲ W-40+17 in · +30% |
| Operating Weight | 6,620lb | 6,100lb | ▲ M+520 lb · +9% |
Hydraulics
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Steering Type | Manual | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Drive Type | Track | Not recorded | — |
| Steering Type | Manual | Not recorded | — |
Electrical
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers M | McCormick-Deering W-40 | Difference |
|---|---|---|---|
| Coolant | 6gal | 12gal | ▲ W-40+6 gal · +100% |
Category context
Both models against the field
Engine Displacement
median 468 ciA · 42nd percentile (318 ci)B · 40th percentile (298 ci)
Cylinders
median 6A · 33rd percentile (4)B · 50th percentile (6)
Forward Gears
median 10A · 16th percentile (4)B · 16th percentile (4)
Operating Weight
median 23,320 lbA · 25th percentile (6,620 lb)B · 23rd percentile (6,100 lb)
Length
median 146 inA · 5th percentile (101 in)B · 47th percentile (142 in)
A · MB · W-40Median Crawler Tractor