Allis ChalmersModel A
Allis Chalmers HD11
Crawler
- power
- 110 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Crawler
Allis Chalmers HD11 vs Hart-Parr 40-80
Image not recorded
Hart-ParrModel B
Hart-Parr 40-80
Standard Tread
- power
- 110 hp
- displacement
- 3,309 ci
- Cylinders
- 4
- Forward gears
- Not recorded
Allis ChalmersAllis Chalmers HD11
vs
Hart-ParrHart-Parr 40-80
How they compare
Headline specs vs. the whole Crawler
Engine Power
= Effectively tiedHD11110 hp
40-80110 hp
Median Crawler Tractor200 hp
HD11 is in the 46th percentile; 40-80 is in the 46th · 142 models
Engine Displacement
▲ 40-80 higher · +2,793 ci (+541%)HD11516 ci
40-803,309 ci
Median Crawler Tractor468 ci
HD11 is in the 58th percentile; 40-80 is in the 99th · 191 models
Cylinders
▲ HD11 higher · +2 (+50%)HD116
40-804
Median Crawler Tractor6
HD11 is in the 50th percentile; 40-80 is in the 33rd · 192 models
Operating Weight
▲ 40-80 higher · +13,000 lb (+62%)HD1121,000 lb
40-8034,000 lb
Median Crawler Tractor23,320 lb
HD11 is in the 48th percentile; 40-80 is in the 71st · 173 models
HD11 (A)40-80 (B)Median Crawler Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Hart-Parr | — |
| Model | HD11 | 40-80 | — |
| Category | Crawler, Agricultural | Standard Tread | — |
Engine
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Hart-Parr | — |
| Model | HD-516 | Not recorded | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | Not recorded | — |
| Cylinders | 6 | 4 | ▲ HD11+2 · +50% |
| Displacement | 516ci | 3,309ci | ▲ 40-80+2,793 ci · +541% |
| Bore | 4.5in | 9in | ▲ 40-80+4.5 in · +100% |
| Stroke | 5.6in | 13in | ▲ 40-80+7.5 in · +136% |
Transmission
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Not recorded | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Length | 154in | Not recorded | — |
| Width | 40in | Not recorded | — |
| Height | 84in | Not recorded | — |
| Operating Weight | 21,000lb | 34,000lb | ▲ 40-80+13,000 lb · +62% |
Hydraulics
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Hitch & Towing
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
Chassis & Drive
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Chassis Type | Crawler | 2WD | — |
| Drive Type | Not recorded | 2WD | — |
| Steering Type | Not recorded | Manual | — |
| Brake Type | Contracting band | Not recorded | — |
Electrical
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers HD11 | Hart-Parr 40-80 | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context
Both models against the field
Engine Power
median 200 hpA · 46th percentile (110 hp)B · 46th percentile (110 hp)
Engine Displacement
median 468 ciA · 58th percentile (516 ci)B · 99th percentile (3,309 ci)
Cylinders
median 6A · 50th percentile (6)B · 33rd percentile (4)
Operating Weight
median 23,320 lbA · 48th percentile (21,000 lb)B · 71st percentile (34,000 lb)
A · HD11B · 40-80Median Crawler Tractor