Allis ChalmersModel A
Allis Chalmers HD11
Crawler
- power
- 110 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Agricultural
Allis Chalmers HD11 vs Challenger MT455D
ChallengerModel B
Challenger MT455D
Agricultural
- power
- 110 hp
- displacement
- 299 ci
- Cylinders
- 4
- Forward gears
- 16
Allis ChalmersAllis Chalmers HD11
vs
ChallengerChallenger MT455D
How they compare
Headline specs vs. the whole Agricultural
Engine Power
= Effectively tiedHD11110 hp
MT455D110 hp
Median Agricultural Tractor110 hp
HD11 is in the 50th percentile; MT455D is in the 50th · 1,028 models
Engine Displacement
▲ HD11 higher · +217 ci (+73%)HD11516 ci
MT455D299 ci
Median Agricultural Tractor336 ci
HD11 is in the 89th percentile; MT455D is in the 46th · 1,083 models
Cylinders
▲ HD11 higher · +2 (+50%)HD116
MT455D4
Median Agricultural Tractor5.5
HD11 is in the 74th percentile; MT455D is in the 31st · 1,130 models
Forward Gears
▲ MT455D higher · +10 (+167%)HD116
MT455D16
Median Agricultural Tractor16
HD11 is in the 11th percentile; MT455D is in the 50th · 972 models
HD11 (A)MT455D (B)Median Agricultural Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Challenger | — |
| Model | HD11 | MT455D | — |
| Category | Crawler, Agricultural | Agricultural | — |
Engine
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | AGCO Power | — |
| Model | HD-516 | 49AWI | — |
| Power Output | 110hp | 110hp | Same |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ MT455D+400 RPM · +22% |
| Cylinders | 6 | 4 | ▲ HD11+2 · +50% |
| Displacement | 516ci | 299ci | ▲ HD11+217 ci · +73% |
| Bore | 4.5in | 4.3in | ▲ HD11+0.2 in · +5% |
| Stroke | 5.6in | 5.3in | ▲ HD11+0.2 in · +4% |
Transmission
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Type | Sliding Gear | Four-speed power shift | — |
Dimensions & Weight
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Length | 154in | Not recorded | — |
| Width | 40in | Not recorded | — |
| Height | 84in | Not recorded | — |
| Operating Weight | 21,000lb | 11,900lb | ▲ HD11+9,100 lb · +76% |
Hydraulics
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed Center Load Sensing (CCLS) | — |
| Steering Type | Not recorded | Hydrostatic Power | — |
Hitch & Towing
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | III/II | — |
Chassis & Drive
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Chassis Type | Crawler | Not recorded | — |
| Steering Type | Not recorded | Hydrostatic Power | — |
| Brake Type | Contracting band | Not recorded | — |
Electrical
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers HD11 | Challenger MT455D | Difference |
|---|---|---|---|
| Type | Open operator station | Not recorded | — |
Category context
Both models against the field
Engine Power
median 110 hpA · 50th percentile (110 hp)B · 50th percentile (110 hp)
Engine Displacement
median 336 ciA · 89th percentile (516 ci)B · 46th percentile (299 ci)
Cylinders
median 5.5A · 74th percentile (6)B · 31st percentile (4)
Forward Gears
median 16A · 11th percentile (6)B · 50th percentile (16)
Operating Weight
median 10,914 lbA · 87th percentile (21,000 lb)B · 55th percentile (11,900 lb)
A · HD11B · MT455DMedian Agricultural Tractor