Allis ChalmersModel A
Allis Chalmers 4W-305
Utility
- power
- 305 hp
- displacement
- 731 ci
- Cylinders
- 6
- Forward gears
- 20
Head to head · Utility
Allis Chalmers 4W-305 vs Challenger 65E
ChallengerModel B
Challenger 65E
Articulated
- power
- 310 hp
- displacement
- 629 ci
- Cylinders
- 6
- Forward gears
- 10
Allis ChalmersAllis Chalmers 4W-305
vs
ChallengerChallenger 65E
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 65E higher · +5 hp (+2%)4W-305305 hp
65E310 hp
Median Utility Tractor55 hp
4W-305 is in the 97th percentile; 65E is in the 97th · 5,383 models
Engine Displacement
▲ 4W-305 higher · +102 ci (+16%)4W-305731 ci
65E629 ci
Median Utility Tractor183 ci
4W-305 is in the 96th percentile; 65E is in the 95th · 5,580 models
Cylinders
= Effectively tied4W-3056
65E6
Median Utility Tractor4
4W-305 is in the 93rd percentile; 65E is in the 93rd · 5,720 models
Forward Gears
▲ 4W-305 higher · +10 (+100%)4W-30520
65E10
Median Utility Tractor12
4W-305 is in the 86th percentile; 65E is in the 39th · 4,941 models
4W-305 (A)65E (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Challenger | — |
| Model | 4W-305 | 65E | — |
| Category | Utility | Articulated | — |
Engine
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | 6120T | Not recorded | — |
| Power Output | 305hp | 310hp | ▲ 65E+5 hp · +2% |
| Rated RPM | 2,300RPM | 2,100RPM | ▲ 4W-305+200 RPM · +10% |
| Cylinders | 6 | 6 | Same |
| Displacement | 731ci | 629ci | ▲ 4W-305+102 ci · +16% |
| Bore | 5.3in | 4.9in | ▲ 4W-305+0.4 in · +8% |
| Stroke | 5.6in | 5.5in | ▲ 4W-305+0.1 in · +2% |
Transmission
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Type | Two-speed power shift | full power shift | — |
Dimensions & Weight
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Length | 285in | Not recorded | — |
| Width | Not recorded | 25in | — |
| Height | 139in | Not recorded | — |
| Operating Weight | 27,100lb | 34,195lb | ▲ 65E+7,095 lb · +26% |
Hydraulics
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| System Type | Closed center load-sensing | Closed | — |
| Steering Type | Hydraulic power | hydrostatic differential steering | — |
Power Take-off (PTO)
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Rear | — |
| Hitch Category | III/IV | III, IV | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Chassis Type | 4x4 articulated 4WD | Not recorded | — |
| Drive Type | 4WD | Not recorded | — |
| Steering Type | Hydraulic power | hydrostatic differential steering | — |
Electrical
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
Capacities
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Coolant | 18gal | 15gal | ▲ 4W-305+3 gal · +20% |
Operator Station
| Spec | Allis Chalmers 4W-305 | Challenger 65E | Difference |
|---|---|---|---|
| Type | Cab | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 97th percentile (305 hp)B · 97th percentile (310 hp)
Engine Displacement
median 183 ciA · 96th percentile (731 ci)B · 95th percentile (629 ci)
Cylinders
median 4A · 93rd percentile (6)B · 93rd percentile (6)
Forward Gears
median 12A · 86th percentile (20)B · 39th percentile (10)
Operating Weight
median 5,303 lbA · 97th percentile (27,100 lb)B · 98th percentile (34,195 lb)
A · 4W-305B · 65EMedian Utility Tractor