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Allis ChalmersModel A
Allis Chalmers HD16A
Industrial
- power
- 163 hp
- displacement
- 844 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Allis Chalmers HD16A vs Caterpillar D6C SA Special Application
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CaterpillarModel B
Caterpillar D6C SA Special Application
Crawler
- power
- 140 hp
- displacement
- 638 ci
- Cylinders
- 6
- Forward gears
- 6
Allis ChalmersAllis Chalmers HD16A
vs
CaterpillarCaterpillar D6C SA Special Application
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ HD16A higher · +206 ci (+32%)HD16A844 ci
D6C SA Special Application638 ci
Median Industrial Tractor284 ci
HD16A is in the 86th percentile; D6C SA Special Application is in the 75th · 53 models
Cylinders
= Effectively tiedHD16A6
D6C SA Special Application6
Median Industrial Tractor4
HD16A is in the 88th percentile; D6C SA Special Application is in the 88th · 55 models
Forward Gears
= Effectively tiedHD16A6
D6C SA Special Application6
Median Industrial Tractor5
HD16A is in the 65th percentile; D6C SA Special Application is in the 65th · 43 models
Operating Weight
▲ HD16A higher · +5,400 lb (+21%)HD16A31,500 lb
D6C SA Special Application26,100 lb
Median Industrial Tractor9,127 lb
HD16A is in the 91st percentile; D6C SA Special Application is in the 87th · 49 models
HD16A (A)D6C SA Special Application (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | HD16A | D6C SA Special Application | — |
| Category | Industrial | Crawler | — |
Engine
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | 160000 | 3306 | — |
| Power Output | 163hp | 140hp | ▲ HD16A+23 hp · +16% |
| Rated RPM | 1,600RPM | 2,000RPM | ▲ D6C SA Special Application+400 RPM · +25% |
| Cylinders | 6 | 6 | Same |
| Displacement | 844ci | 638ci | ▲ HD16A+206 ci · +32% |
| Bore | 5.3in | 4.8in | ▲ HD16A+0.5 in · +10% |
| Stroke | 6.5in | 6in | ▲ HD16A+0.5 in · +8% |
Transmission
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| Type | Gear | gear | Same |
Dimensions & Weight
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| Length | 181in | 156in | ▲ HD16A+25 in · +16% |
| Width | 96in | 94in | ▲ HD16A+2 in · +2% |
| Height | 90.5in | 105in | ▲ D6C SA Special Application+14.5 in · +16% |
| Operating Weight | 31,500lb | 26,100lb | ▲ HD16A+5,400 lb · +21% |
Hydraulics
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| System Type | Not recorded | Open Center | — |
| Steering Type | Hydraulic | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| Steering Type | Hydraulic | Not recorded | — |
Electrical
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers HD16A | Caterpillar D6C SA Special Application | Difference |
|---|---|---|---|
| Coolant | Not recorded | 10gal | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 86th percentile (844 ci)B · 75th percentile (638 ci)
Cylinders
median 4A · 88th percentile (6)B · 88th percentile (6)
Forward Gears
median 5A · 65th percentile (6)B · 65th percentile (6)
Operating Weight
median 9,127 lbA · 91st percentile (31,500 lb)B · 87th percentile (26,100 lb)
Length
median 125 inA · 76th percentile (181 in)B · 71st percentile (156 in)
A · HD16AB · D6C SA Special ApplicationMedian Industrial Tractor