Allis ChalmersModel A
Allis Chalmers HD21
Agricultural
- power
- 225 hp
- displacement
- 844 ci
- Cylinders
- 6
- Forward gears
- 2
Head to head · Agricultural
Allis Chalmers HD21 vs John Deere 8130 180 PTO hp
John DeereModel B
John Deere 8130 180 PTO hp
Agricultural
- power
- 225 hp
- displacement
- 549 ci
- Cylinders
- 6
- Forward gears
- 16
Allis ChalmersAllis Chalmers HD21
vs
John DeereJohn Deere 8130 180 PTO hp
How they compare
Headline specs vs. the whole Agricultural
Engine Power
= Effectively tiedHD21225 hp
8130 180 PTO hp225 hp
Median Agricultural Tractor110 hp
HD21 is in the 84th percentile; 8130 180 PTO hp is in the 84th · 1,028 models
Engine Displacement
▲ HD21 higher · +295 ci (+54%)HD21844 ci
8130 180 PTO hp549 ci
Median Agricultural Tractor336 ci
HD21 is in the 96th percentile; 8130 180 PTO hp is in the 90th · 1,083 models
Cylinders
= Effectively tiedHD216
8130 180 PTO hp6
Median Agricultural Tractor5.5
HD21 is in the 74th percentile; 8130 180 PTO hp is in the 74th · 1,130 models
Forward Gears
▲ 8130 180 PTO hp higher · +14 (+700%)HD212
8130 180 PTO hp16
Median Agricultural Tractor16
HD21 is in the 1st percentile; 8130 180 PTO hp is in the 50th · 972 models
HD21 (A)8130 180 PTO hp (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD21 | 8130 180 PTO hp | — |
| Category | Agricultural | Agricultural | Same |
Engine
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Not recorded | — |
| Model | Not recorded | 2240 | — |
| Power Output | 225hp | 225hp | Same |
| Rated RPM | 1,800RPM | 2,100RPM | ▲ 8130 180 PTO hp+300 RPM · +17% |
| Cylinders | 6 | 6 | Same |
| Displacement | 844ci | 549ci | ▲ HD21+295 ci · +54% |
| Bore | 5.3in | Not recorded | — |
| Stroke | 6.5in | Not recorded | — |
Transmission
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Type | Torque Converter | Powershift | — |
Dimensions & Weight
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Length | 198in | Not recorded | — |
| Height | 99in | Not recorded | — |
| Operating Weight | 45,500lb | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Speed 1 | Not recorded | 1,000rpm | — |
Hitch & Towing
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
| Hitch Capacity | Not recorded | 12,401lb | — |
Electrical
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers HD21 | John Deere 8130 180 PTO hp | Difference |
|---|---|---|---|
| Coolant | 20gal | Not recorded | — |
Category context
Both models against the field
Engine Power
median 110 hpA · 84th percentile (225 hp)B · 84th percentile (225 hp)
Engine Displacement
median 336 ciA · 96th percentile (844 ci)B · 90th percentile (549 ci)
Cylinders
median 5.5A · 74th percentile (6)B · 74th percentile (6)
Forward Gears
median 16A · 1st percentile (2)B · 50th percentile (16)
A · HD21B · 8130 180 PTO hpMedian Agricultural Tractor