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Allis ChalmersModel A
Allis Chalmers K
Crawler
- power
- Not recorded
- displacement
- 511 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Crawler
Allis Chalmers K vs McCormick-Deering TD-40
McCormick-DeeringModel B
McCormick-Deering TD-40
Standard Tread
- power
- Not recorded
- displacement
- 461 ci
- Cylinders
- 4
- Forward gears
- 5
Allis ChalmersAllis Chalmers K
vs
McCormick-DeeringMcCormick-Deering TD-40
How they compare
Headline specs vs. the whole Crawler
Engine Displacement
▲ K higher · +50 ci (+11%)K511 ci
TD-40461 ci
Median Crawler Tractor468 ci
K is in the 57th percentile; TD-40 is in the 49th · 191 models
Cylinders
= Effectively tiedK4
TD-404
Median Crawler Tractor6
K is in the 33rd percentile; TD-40 is in the 33rd · 192 models
Forward Gears
▲ TD-40 higher · +1 (+25%)K4
TD-405
Median Crawler Tractor10
K is in the 16th percentile; TD-40 is in the 25th · 179 models
Operating Weight
▲ TD-40 higher · +580 lb (+5%)K11,500 lb
TD-4012,080 lb
Median Crawler Tractor23,320 lb
K is in the 38th percentile; TD-40 is in the 40th · 173 models
K (A)TD-40 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers K | McCormick-Deering TD-40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | McCormick-Deering | — |
| Model | K | TD-40 | — |
| Category | Crawler, Agricultural | Standard Tread | — |
Engine
| Spec | Allis Chalmers K | McCormick-Deering TD-40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Rated RPM | 1,050RPM | 1,200RPM | ▲ TD-40+150 RPM · +14% |
| Cylinders | 4 | 4 | Same |
| Displacement | 511ci | 461ci | ▲ K+50 ci · +11% |
| Bore | 5in | 4.8in | ▲ K+0.2 in · +4% |
| Stroke | 6.5in | 6.5in | Same |
Transmission
| Spec | Allis Chalmers K | McCormick-Deering TD-40 | Difference |
|---|---|---|---|
| Type | Gear | Not recorded | — |
Dimensions & Weight
| Spec | Allis Chalmers K | McCormick-Deering TD-40 | Difference |
|---|---|---|---|
| Length | 124in | 140in | ▲ TD-40+16 in · +13% |
| Width | 65.9in | 63.8in | ▲ K+2.1 in · +3% |
| Height | 64in | 82.5in | ▲ TD-40+18.5 in · +29% |
| Operating Weight | 11,500lb | 12,080lb | ▲ TD-40+580 lb · +5% |
Chassis & Drive
| Spec | Allis Chalmers K | McCormick-Deering TD-40 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Drive Type | Track | Not recorded | — |
Capacities
| Spec | Allis Chalmers K | McCormick-Deering TD-40 | Difference |
|---|---|---|---|
| Coolant | 11gal | 15gal | ▲ TD-40+4 gal · +36% |
Category context
Both models against the field
Engine Displacement
median 468 ciA · 57th percentile (511 ci)B · 49th percentile (461 ci)
Cylinders
median 6A · 33rd percentile (4)B · 33rd percentile (4)
Forward Gears
median 10A · 16th percentile (4)B · 25th percentile (5)
Operating Weight
median 23,320 lbA · 38th percentile (11,500 lb)B · 40th percentile (12,080 lb)
Length
median 146 inA · 27th percentile (124 in)B · 46th percentile (140 in)
A · KB · TD-40Median Crawler Tractor