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David BrownModel A
David Brown 990 Selectamatic (1971-1980)
Utility
- power
- 58 hp
- displacement
- 195 ci
- Cylinders
- 4
- Forward gears
- 12
Head to head · Utility
David Brown 990 Selectamatic (1971-1980) vs John Deere 2155
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John DeereModel B
John Deere 2155
Utility
- power
- 46.7 hp
- displacement
- 179 ci
- Cylinders
- 3
- Forward gears
- 8
David BrownDavid Brown 990 Selectamatic (1971-1980)
vs
John DeereJohn Deere 2155
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 990 Selectamatic (1971-1980) higher · +11.3 hp (+24%)990 Selectamatic (1971-1980)58 hp
215546.7 hp
Median Utility Tractor55 hp
990 Selectamatic (1971-1980) is in the 52nd percentile; 2155 is in the 41st · 5,383 models
Engine Displacement
▲ 990 Selectamatic (1971-1980) higher · +16 ci (+9%)990 Selectamatic (1971-1980)195 ci
2155179 ci
Median Utility Tractor183 ci
990 Selectamatic (1971-1980) is in the 52nd percentile; 2155 is in the 48th · 5,580 models
Cylinders
▲ 990 Selectamatic (1971-1980) higher · +1 (+33%)990 Selectamatic (1971-1980)4
21553
Median Utility Tractor4
990 Selectamatic (1971-1980) is in the 50th percentile; 2155 is in the 23rd · 5,720 models
Forward Gears
▲ 990 Selectamatic (1971-1980) higher · +4 (+50%)990 Selectamatic (1971-1980)12
21558
Median Utility Tractor12
990 Selectamatic (1971-1980) is in the 50th percentile; 2155 is in the 23rd · 4,941 models
990 Selectamatic (1971-1980) (A)2155 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | John Deere | — |
| Model | 990 Selectamatic (1971-1980) | 2155 | — |
| Category | Utility | Utility | Same |
Engine
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Manufacturer | David Brown | John Deere | — |
| Power Output | 58hp | 46.7hp | ▲ 990 Selectamatic (1971-1980)+11.3 hp · +24% |
| Rated RPM | 2,200RPM | 2,500RPM | ▲ 2155+300 RPM · +14% |
| Cylinders | 4 | 3 | ▲ 990 Selectamatic (1971-1980)+1 · +33% |
| Displacement | 195ci | 179ci | ▲ 990 Selectamatic (1971-1980)+16 ci · +9% |
| Bore | 3.9in | 4.2in | ▲ 2155+0.3 in · +8% |
| Stroke | 4in | 4.3in | ▲ 2155+0.3 in · +7% |
Transmission
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Type | Partially Synchronized with Dry Disc Clutch | 8-speed (collar shift) | — |
Dimensions & Weight
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Length | 129in | Not recorded | — |
| Width | 66.9in | Not recorded | — |
| Operating Weight | 5,754lb | 5,105lb | ▲ 990 Selectamatic (1971-1980)+649 lb · +13% |
Hydraulics
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| System Type | Open Center | Closed center | — |
| Steering Type | Hydrostatic Power | Power | — |
Power Take-off (PTO)
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Type | Transmission or Live (option) | Live or independent | — |
| Speed 1 | 540rpm | 567rpm | ▲ 2155+27 rpm · +5% |
| Speed 2 | 1,000rpm | Not recorded | — |
Hitch & Towing
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-point hitch | — |
| Hitch Category | II/I | II/I | Same |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 2,000lb | 2,490lb | ▲ 2155+490 lb · +25% |
Chassis & Drive
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Hydrostatic Power | Power | — |
| Brake Type | Hydraulic Drum | Single wet disc hydraulically operated | — |
Electrical
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Coolant | 3.7gal | 2.7gal | ▲ 990 Selectamatic (1971-1980)+1.1 gal · +42% |
Operator Station
| Spec | David Brown 990 Selectamatic (1971-1980) | John Deere 2155 | Difference |
|---|---|---|---|
| Type | Weather Frame Cab | Roll-Gard ROPS | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 52nd percentile (58 hp)B · 41st percentile (46.7 hp)
Engine Displacement
median 183 ciA · 52nd percentile (195 ci)B · 48th percentile (179 ci)
Cylinders
median 4A · 50th percentile (4)B · 23rd percentile (3)
Forward Gears
median 12A · 50th percentile (12)B · 23rd percentile (8)
Operating Weight
median 5,303 lbA · 54th percentile (5,754 lb)B · 49th percentile (5,105 lb)
A · 990 Selectamatic (1971-1980)B · 2155Median Utility Tractor