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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 Challenger 45
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ChallengerModel B
Challenger 45
Industrial
- power
- 240 hp
- displacement
- 403 ci
- Cylinders
- 6
- Forward gears
- 16
Allis ChalmersAllis Chalmers HD16A
vs
ChallengerChallenger 45
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ HD16A higher · +441 ci (+109%)HD16A844 ci
45403 ci
Median Industrial Tractor284 ci
HD16A is in the 86th percentile; 45 is in the 57th · 53 models
Cylinders
= Effectively tiedHD16A6
456
Median Industrial Tractor4
HD16A is in the 88th percentile; 45 is in the 88th · 55 models
Forward Gears
▲ 45 higher · +10 (+167%)HD16A6
4516
Median Industrial Tractor5
HD16A is in the 65th percentile; 45 is in the 97th · 43 models
Operating Weight
▲ HD16A higher · +8,800 lb (+39%)HD16A31,500 lb
4522,700 lb
Median Industrial Tractor9,127 lb
HD16A is in the 91st percentile; 45 is in the 79th · 49 models
HD16A (A)45 (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Challenger | — |
| Model | HD16A | 45 | — |
| Category | Industrial | Industrial | Same |
Engine
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | 160000 | 3116 | — |
| Power Output | 163hp | 240hp | ▲ 45+77 hp · +47% |
| Rated RPM | 1,600RPM | 2,100RPM | ▲ 45+500 RPM · +31% |
| Cylinders | 6 | 6 | Same |
| Displacement | 844ci | 403ci | ▲ HD16A+441 ci · +109% |
| Bore | 5.3in | 4.1in | ▲ HD16A+1.2 in · +29% |
| Stroke | 6.5in | 5in | ▲ HD16A+1.5 in · +30% |
Transmission
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Type | Gear | Full Power Shift | — |
Dimensions & Weight
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Length | 181in | 211in | ▲ 45+30 in · +17% |
| Width | 96in | 91in | ▲ HD16A+5 in · +5% |
| Height | 90.5in | 120in | ▲ 45+29.5 in · +33% |
| Operating Weight | 31,500lb | 22,700lb | ▲ HD16A+8,800 lb · +39% |
Hydraulics
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| System Type | Not recorded | Variable-displacement Load-sensing Pressure-compensated | — |
| Steering Type | Hydraulic | Differential Power | — |
Hitch & Towing
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | III/II | — |
| Hitch Position | Not recorded | Rear | — |
Chassis & Drive
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Steering Type | Hydraulic | Differential Power | — |
Electrical
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Starter Type | Electric | 12-volts | — |
Capacities
| Spec | Allis Chalmers HD16A | Challenger 45 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 8.6gal | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 86th percentile (844 ci)B · 57th percentile (403 ci)
Cylinders
median 4A · 88th percentile (6)B · 88th percentile (6)
Forward Gears
median 5A · 65th percentile (6)B · 97th percentile (16)
Operating Weight
median 9,127 lbA · 91st percentile (31,500 lb)B · 79th percentile (22,700 lb)
Length
median 125 inA · 76th percentile (181 in)B · 94th percentile (211 in)
A · HD16AB · 45Median Industrial Tractor