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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 D7C
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CaterpillarModel B
Caterpillar D7C
Crawler
- power
- 128 hp
- displacement
- 831 ci
- Cylinders
- 4
- Forward gears
- 5
Allis ChalmersAllis Chalmers HD16A
vs
CaterpillarCaterpillar D7C
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ HD16A higher · +13 ci (+2%)HD16A844 ci
D7C831 ci
Median Industrial Tractor284 ci
HD16A is in the 86th percentile; D7C is in the 84th · 53 models
Cylinders
▲ HD16A higher · +2 (+50%)HD16A6
D7C4
Median Industrial Tractor4
HD16A is in the 88th percentile; D7C is in the 50th · 55 models
Forward Gears
▲ HD16A higher · +1 (+20%)HD16A6
D7C5
Median Industrial Tractor5
HD16A is in the 65th percentile; D7C is in the 50th · 43 models
Operating Weight
▲ HD16A higher · +4,570 lb (+17%)HD16A31,500 lb
D7C26,930 lb
Median Industrial Tractor9,127 lb
HD16A is in the 91st percentile; D7C is in the 88th · 49 models
HD16A (A)D7C (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | HD16A | D7C | — |
| Category | Industrial | Crawler | — |
Engine
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | 160000 | D339 | — |
| Power Output | 163hp | 128hp | ▲ HD16A+35 hp · +27% |
| Rated RPM | 1,600RPM | 1,200RPM | ▲ HD16A+400 RPM · +33% |
| Cylinders | 6 | 4 | ▲ HD16A+2 · +50% |
| Displacement | 844ci | 831ci | ▲ HD16A+13 ci · +2% |
| Bore | 5.3in | 5.8in | ▲ D7C+0.5 in · +9% |
| Stroke | 6.5in | 8in | ▲ D7C+1.5 in · +23% |
Transmission
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Type | Gear | Gear | Same |
Dimensions & Weight
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Length | 181in | 168in | ▲ HD16A+13 in · +8% |
| Width | 96in | 97in | ▲ D7C+1 in · +1% |
| Height | 90.5in | 81.3in | ▲ HD16A+9.2 in · +11% |
| Operating Weight | 31,500lb | 26,930lb | ▲ HD16A+4,570 lb · +17% |
Hydraulics
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Steering Type | Hydraulic | Manual Clutches | — |
Chassis & Drive
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Steering Type | Hydraulic | Manual Clutches | — |
Electrical
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Starter Type | Electric | Gasoline Pony Engine | — |
Capacities
| Spec | Allis Chalmers HD16A | Caterpillar D7C | Difference |
|---|---|---|---|
| Coolant | Not recorded | 17gal | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 86th percentile (844 ci)B · 84th percentile (831 ci)
Cylinders
median 4A · 88th percentile (6)B · 50th percentile (4)
Forward Gears
median 5A · 65th percentile (6)B · 50th percentile (5)
Operating Weight
median 9,127 lbA · 91st percentile (31,500 lb)B · 88th percentile (26,930 lb)
Length
median 125 inA · 76th percentile (181 in)B · 72nd percentile (168 in)
A · HD16AB · D7CMedian Industrial Tractor