Allis ChalmersModel A
Allis Chalmers 6070
Row Crop
- power
- 58.4 hp
- displacement
- 200 ci
- Cylinders
- 4
- Forward gears
- 12
Head to head · Row Crop
Allis Chalmers 6070 vs David Brown 990 Selectamatic (1971-1980)
Image not recorded
David BrownModel B
David Brown 990 Selectamatic (1971-1980)
Utility
- power
- 58 hp
- displacement
- 195 ci
- Cylinders
- 4
- Forward gears
- 12
Allis ChalmersAllis Chalmers 6070
vs
David BrownDavid Brown 990 Selectamatic (1971-1980)
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 6070 higher · +0.4 hp (<1%)607058.4 hp
990 Selectamatic (1971-1980)58 hp
Median Row Crop Tractor138 hp
6070 is in the 8th percentile; 990 Selectamatic (1971-1980) is in the 8th · 1,206 models
Engine Displacement
▲ 6070 higher · +5 ci (+3%)6070200 ci
990 Selectamatic (1971-1980)195 ci
Median Row Crop Tractor391 ci
6070 is in the 7th percentile; 990 Selectamatic (1971-1980) is in the 7th · 1,409 models
Cylinders
= Effectively tied60704
990 Selectamatic (1971-1980)4
Median Row Crop Tractor6
6070 is in the 17th percentile; 990 Selectamatic (1971-1980) is in the 17th · 1,417 models
Forward Gears
= Effectively tied607012
990 Selectamatic (1971-1980)12
Median Row Crop Tractor16
6070 is in the 27th percentile; 990 Selectamatic (1971-1980) is in the 27th · 1,200 models
6070 (A)990 Selectamatic (1971-1980) (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | David Brown | — |
| Model | 6070 | 990 Selectamatic (1971-1980) | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | David Brown | — |
| Model | 433T | Not recorded | — |
| Power Output | 58.4hp | 58hp | ▲ 6070+0.4 hp · <1% |
| Rated RPM | 2,395RPM | 2,200RPM | ▲ 6070+195 RPM · +9% |
| Cylinders | 4 | 4 | Same |
| Displacement | 200ci | 195ci | ▲ 6070+5 ci · +3% |
| Bore | 3.9in | 3.9in | Same |
| Stroke | 4.3in | 4in | ▲ 6070+0.3 in · +7% |
Transmission
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Type | Synchronized | Partially Synchronized with Dry Disc Clutch | — |
Dimensions & Weight
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Length | 147in | 129in | ▲ 6070+18 in · +14% |
| Width | 68.5in | 66.9in | ▲ 6070+1.6 in · +2% |
| Height | 108in | Not recorded | — |
| Wheelbase | 92.6in | Not recorded | — |
| Operating Weight | 7,460lb | 5,754lb | ▲ 6070+1,706 lb · +30% |
Hydraulics
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| System Type | Open center | Open Center | Same |
| Pressure | 2,325psi | Not recorded | — |
| Steering Type | Hydrostatic power | Hydrostatic Power | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Type | Not recorded | Transmission or Live (option) | — |
| Speed 1 | Not recorded | 540rpm | — |
| Speed 2 | Not recorded | 1,000rpm | — |
| Power Rating | 71hp | Not recorded | — |
Tires
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Front Tire Size | 7.50-16 | Not recorded | — |
| Rear Tire Size | 16.9-34 | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Hitch Type | Category II hitch | Not recorded | — |
| Hitch Category | II | II/I | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 3,160lb | 2,000lb | ▲ 6070+1,160 lb · +58% |
Chassis & Drive
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Hydrostatic power | Hydrostatic Power | Same |
| Brake Type | Not recorded | Hydraulic Drum | — |
Electrical
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Battery Voltage | 12V | Not recorded | — |
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Coolant | 4.3gal | 3.7gal | ▲ 6070+0.6 gal · +16% |
Operator Station
| Spec | Allis Chalmers 6070 | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Type | Cab with ROPS | Weather Frame Cab | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 8th percentile (58.4 hp)B · 8th percentile (58 hp)
Engine Displacement
median 391 ciA · 7th percentile (200 ci)B · 7th percentile (195 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 27th percentile (12)B · 27th percentile (12)
Operating Weight
median 12,307 lbA · 17th percentile (7,460 lb)B · 11th percentile (5,754 lb)
A · 6070B · 990 Selectamatic (1971-1980)Median Row Crop Tractor