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 McConnell-Marc 900
Image not recorded
McConnell-MarcModel B
McConnell-Marc 900
Tractor
- power
- 320 hp
- displacement
- Not recorded
- Cylinders
- 6
- Forward gears
- 12
Allis ChalmersAllis Chalmers 4W-305
vs
McConnell-MarcMcConnell-Marc 900
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 900 higher · +15 hp (+5%)4W-305305 hp
900320 hp
Median Utility Tractor55 hp
4W-305 is in the 97th percentile; 900 is in the 97th · 5,383 models
Cylinders
= Effectively tied4W-3056
9006
Median Utility Tractor4
4W-305 is in the 93rd percentile; 900 is in the 93rd · 5,720 models
Forward Gears
▲ 4W-305 higher · +8 (+67%)4W-30520
90012
Median Utility Tractor12
4W-305 is in the 86th percentile; 900 is in the 50th · 4,941 models
Operating Weight
▲ 900 higher · +8,900 lb (+33%)4W-30527,100 lb
90036,000 lb
Median Utility Tractor5,303 lb
4W-305 is in the 97th percentile; 900 is in the 98th · 5,107 models
4W-305 (A)900 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | McConnell-Marc | — |
| Model | 4W-305 | 900 | — |
| Category | Utility | Not recorded | — |
Engine
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Detroit Diesel | — |
| Model | 6120T | 60 | — |
| Power Output | 305hp | 320hp | ▲ 900+15 hp · +5% |
| Rated RPM | 2,300RPM | 2,100RPM | ▲ 4W-305+200 RPM · +10% |
| Cylinders | 6 | 6 | Same |
| Displacement | 731ci | Not recorded | — |
| Bore | 5.3in | Not recorded | — |
| Stroke | 5.6in | Not recorded | — |
Transmission
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Type | Two-speed power shift | Not recorded | — |
Dimensions & Weight
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Length | 285in | Not recorded | — |
| Height | 139in | Not recorded | — |
| Operating Weight | 27,100lb | 36,000lb | ▲ 900+8,900 lb · +33% |
Hydraulics
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| System Type | Closed center load-sensing | Not recorded | — |
| Steering Type | Hydraulic power | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/IV | Category 3 | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 articulated 4WD | 4x4 4WD | — |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Hydraulic power | Not recorded | — |
Electrical
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Coolant | 18gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers 4W-305 | McConnell-Marc 900 | Difference |
|---|---|---|---|
| Type | Cab | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 97th percentile (305 hp)B · 97th percentile (320 hp)
Cylinders
median 4A · 93rd percentile (6)B · 93rd percentile (6)
Forward Gears
median 12A · 86th percentile (20)B · 50th percentile (12)
Operating Weight
median 5,303 lbA · 97th percentile (27,100 lb)B · 98th percentile (36,000 lb)
A · 4W-305B · 900Median Utility Tractor