Allis ChalmersModel A
Allis Chalmers 160
Agricultural
- power
- 40 hp
- displacement
- 153 ci
- Cylinders
- 3
- Forward gears
- 10
Head to head · Agricultural
Allis Chalmers 160 vs Allis Chalmers HD21
Allis ChalmersModel B
Allis Chalmers HD21
Agricultural
- power
- 225 hp
- displacement
- 844 ci
- Cylinders
- 6
- Forward gears
- 2
Allis ChalmersAllis Chalmers 160
vs
Allis ChalmersAllis Chalmers HD21
How they compare
Headline specs vs. the whole Agricultural
Engine Power
▲ HD21 higher · +185 hp (+463%)16040 hp
HD21225 hp
Median Agricultural Tractor110 hp
160 is in the 6th percentile; HD21 is in the 84th · 1,028 models
Engine Displacement
▲ HD21 higher · +691 ci (+452%)160153 ci
HD21844 ci
Median Agricultural Tractor336 ci
160 is in the 5th percentile; HD21 is in the 96th · 1,083 models
Cylinders
▲ HD21 higher · +3 (+100%)1603
HD216
Median Agricultural Tractor5.5
160 is in the 8th percentile; HD21 is in the 74th · 1,130 models
Forward Gears
▲ 160 higher · +8 (+400%)16010
HD212
Median Agricultural Tractor16
160 is in the 23rd percentile; HD21 is in the 1st · 972 models
160 (A)HD21 (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | 160 | HD21 | — |
| Category | Agricultural | Agricultural | Same |
Engine
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Manufacturer | Perkins | Allis-Chalmers | — |
| Model | AD 3.152 | Not recorded | — |
| Power Output | 40hp | 225hp | ▲ HD21+185 hp · +463% |
| Rated RPM | 2,250RPM | 1,800RPM | ▲ 160+450 RPM · +25% |
| Cylinders | 3 | 6 | ▲ HD21+3 · +100% |
| Displacement | 153ci | 844ci | ▲ HD21+691 ci · +452% |
| Bore | 3.6in | 5.3in | ▲ HD21+1.7 in · +47% |
| Stroke | 5in | 6.5in | ▲ HD21+1.5 in · +30% |
Transmission
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Type | Partial Synchronized | Torque Converter | — |
Dimensions & Weight
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Length | 144in | 198in | ▲ HD21+54 in · +38% |
| Height | 55.9in | 99in | ▲ HD21+43.1 in · +77% |
| Operating Weight | 4,674lb | 45,500lb | ▲ HD21+40,826 lb · +873% |
Hydraulics
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Steering Type | Hydrostatic Power | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Type | Optional Transmission or Live PTO | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Hitch Category | II | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
| Brake Type | Differential Mechanical Dry Disc | Not recorded | — |
Electrical
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers 160 | Allis Chalmers HD21 | Difference |
|---|---|---|---|
| Coolant | 2gal | 20gal | ▲ HD21+18 gal · +900% |
Category context
Both models against the field
Engine Power
median 110 hpA · 6th percentile (40 hp)B · 84th percentile (225 hp)
Engine Displacement
median 336 ciA · 5th percentile (153 ci)B · 96th percentile (844 ci)
Cylinders
median 5.5A · 8th percentile (3)B · 74th percentile (6)
Forward Gears
median 16A · 23rd percentile (10)B · 1st percentile (2)
Operating Weight
median 10,914 lbA · 10th percentile (4,674 lb)B · 99th percentile (45,500 lb)
A · 160B · HD21Median Agricultural Tractor