Allis ChalmersModel A
Allis Chalmers HD11
Crawler
- power
- 110 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Agricultural
Allis Chalmers HD11 vs Caterpillar D3C SA Special Application
CaterpillarModel B
Caterpillar D3C SA Special Application
Agricultural
- power
- 110 hp
- displacement
- 318 ci
- Cylinders
- 4
- Forward gears
- 5
Allis ChalmersAllis Chalmers HD11
vs
CaterpillarCaterpillar D3C SA Special Application
How they compare
Headline specs vs. the whole Agricultural
Engine Power
= Effectively tiedHD11110 hp
D3C SA Special Application110 hp
Median Agricultural Tractor110 hp
HD11 is in the 50th percentile; D3C SA Special Application is in the 50th · 1,028 models
Engine Displacement
▲ HD11 higher · +198 ci (+62%)HD11516 ci
D3C SA Special Application318 ci
Median Agricultural Tractor336 ci
HD11 is in the 89th percentile; D3C SA Special Application is in the 49th · 1,083 models
Cylinders
▲ HD11 higher · +2 (+50%)HD116
D3C SA Special Application4
Median Agricultural Tractor5.5
HD11 is in the 74th percentile; D3C SA Special Application is in the 31st · 1,130 models
Forward Gears
▲ HD11 higher · +1 (+20%)HD116
D3C SA Special Application5
Median Agricultural Tractor16
HD11 is in the 11th percentile; D3C SA Special Application is in the 7th · 972 models
HD11 (A)D3C SA Special Application (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | HD11 | D3C SA Special Application | — |
| Category | Crawler, Agricultural | Agricultural | — |
Engine
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | HD-516 | 3204 | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | 2,400RPM | ▲ D3C SA Special Application+600 RPM · +33% |
| Cylinders | 6 | 4 | ▲ HD11+2 · +50% |
| Displacement | 516ci | 318ci | ▲ HD11+198 ci · +62% |
| Bore | 4.5in | 4.5in | Same |
| Stroke | 5.6in | 5in | ▲ HD11+0.5 in · +10% |
Transmission
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Type | Sliding Gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Length | 154in | 146in | ▲ HD11+8 in · +5% |
| Width | 40in | 76.5in | ▲ D3C SA Special Application+36.5 in · +91% |
| Height | 84in | 108in | ▲ D3C SA Special Application+24 in · +29% |
| Operating Weight | 21,000lb | 14,750lb | ▲ HD11+6,250 lb · +42% |
Chassis & Drive
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Crawler | Same |
| Brake Type | Contracting band | Not recorded | — |
Electrical
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers HD11 | Caterpillar D3C SA Special Application | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context
Both models against the field
Engine Power
median 110 hpA · 50th percentile (110 hp)B · 50th percentile (110 hp)
Engine Displacement
median 336 ciA · 89th percentile (516 ci)B · 49th percentile (318 ci)
Cylinders
median 5.5A · 74th percentile (6)B · 31st percentile (4)
Forward Gears
median 16A · 11th percentile (6)B · 7th percentile (5)
Operating Weight
median 10,914 lbA · 87th percentile (21,000 lb)B · 68th percentile (14,750 lb)
A · HD11B · D3C SA Special ApplicationMedian Agricultural Tractor