Image not recorded
Allis ChalmersModel A
Allis Chalmers HD11AG Series B
Industrial
- power
- 127 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Allis Chalmers HD11AG Series B vs International Harvester 1255
International HarvesterModel B
International Harvester 1255
Utility
- power
- 125 hp
- displacement
- 358 ci
- Cylinders
- 6
- Forward gears
- 20
Allis ChalmersAllis Chalmers HD11AG Series B
vs
International HarvesterInternational Harvester 1255
How they compare
Headline specs vs. the whole Industrial
Engine Displacement
▲ HD11AG Series B higher · +158 ci (+44%)HD11AG Series B516 ci
1255358 ci
Median Industrial Tractor284 ci
HD11AG Series B is in the 70th percentile; 1255 is in the 55th · 53 models
Cylinders
= Effectively tiedHD11AG Series B6
12556
Median Industrial Tractor4
HD11AG Series B is in the 88th percentile; 1255 is in the 88th · 55 models
Forward Gears
▲ 1255 higher · +14 (+233%)HD11AG Series B6
125520
Median Industrial Tractor5
HD11AG Series B is in the 65th percentile; 1255 is in the 97th · 43 models
Operating Weight
▲ HD11AG Series B higher · +12,785 lb (+105%)HD11AG Series B25,000 lb
125512,215 lb
Median Industrial Tractor9,127 lb
HD11AG Series B is in the 87th percentile; 1255 is in the 57th · 49 models
HD11AG Series B (A)1255 (B)Median Industrial Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11AG Series B | International Harvester 1255 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Model | HD11AG Series B | 1255 | — |
| Category | Industrial | Utility | — |
Engine
| Spec | Allis Chalmers HD11AG Series B | International Harvester 1255 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Model | 11000 | Not recorded | — |
| Power Output | 127hp | 125hp | ▲ HD11AG Series B+2 hp · +2% |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ 1255+400 RPM · +22% |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 358ci | ▲ HD11AG Series B+158 ci · +44% |
| Bore | 4.4in | 3.9in | ▲ HD11AG Series B+0.5 in · +13% |
| Stroke | 5.6in | 5.1in | ▲ HD11AG Series B+0.5 in · +10% |
Transmission
| Spec | Allis Chalmers HD11AG Series B | International Harvester 1255 | Difference |
|---|---|---|---|
| Type | Gear | Not recorded | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11AG Series B | International Harvester 1255 | Difference |
|---|---|---|---|
| Length | 125in | 187in | ▲ 1255+62 in · +50% |
| Width | 96in | Not recorded | — |
| Height | 84in | 116in | ▲ 1255+32 in · +38% |
| Operating Weight | 25,000lb | 12,215lb | ▲ HD11AG Series B+12,785 lb · +105% |
Chassis & Drive
| Spec | Allis Chalmers HD11AG Series B | International Harvester 1255 | Difference |
|---|---|---|---|
| Chassis Type | Tracked | 4x4 MFWD 4WD | — |
| Drive Type | Track | 4WD | — |
Electrical
| Spec | Allis Chalmers HD11AG Series B | International Harvester 1255 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers HD11AG Series B | International Harvester 1255 | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 284 ciA · 70th percentile (516 ci)B · 55th percentile (358 ci)
Cylinders
median 4A · 88th percentile (6)B · 88th percentile (6)
Forward Gears
median 5A · 65th percentile (6)B · 97th percentile (20)
Operating Weight
median 9,127 lbA · 87th percentile (25,000 lb)B · 57th percentile (12,215 lb)
Length
median 125 inA · 50th percentile (125 in)B · 82nd percentile (187 in)
A · HD11AG Series BB · 1255Median Industrial Tractor