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David BrownModel A
David Brown 990 Implematic
Utility
- power
- 52 hp
- displacement
- 186 ci
- Cylinders
- 4
- Forward gears
- 6
Head to head · Utility
David Brown 990 Implematic vs David Brown 990 Selectamatic (1971-1980)
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David BrownModel B
David Brown 990 Selectamatic (1971-1980)
Utility
- power
- 58 hp
- displacement
- 195 ci
- Cylinders
- 4
- Forward gears
- 12
David BrownDavid Brown 990 Implematic
vs
David BrownDavid Brown 990 Selectamatic (1971-1980)
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 990 Selectamatic (1971-1980) higher · +6 hp (+12%)990 Implematic52 hp
990 Selectamatic (1971-1980)58 hp
Median Utility Tractor55 hp
990 Implematic is in the 47th percentile; 990 Selectamatic (1971-1980) is in the 52nd · 5,383 models
Engine Displacement
▲ 990 Selectamatic (1971-1980) higher · +9 ci (+5%)990 Implematic186 ci
990 Selectamatic (1971-1980)195 ci
Median Utility Tractor183 ci
990 Implematic is in the 50th percentile; 990 Selectamatic (1971-1980) is in the 52nd · 5,580 models
Cylinders
= Effectively tied990 Implematic4
990 Selectamatic (1971-1980)4
Median Utility Tractor4
990 Implematic is in the 50th percentile; 990 Selectamatic (1971-1980) is in the 50th · 5,720 models
Forward Gears
▲ 990 Selectamatic (1971-1980) higher · +6 (+100%)990 Implematic6
990 Selectamatic (1971-1980)12
Median Utility Tractor12
990 Implematic is in the 11th percentile; 990 Selectamatic (1971-1980) is in the 50th · 4,941 models
990 Implematic (A)990 Selectamatic (1971-1980) (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Model | 990 Implematic | 990 Selectamatic (1971-1980) | — |
| Category | Utility | Utility | Same |
Engine
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Manufacturer | David Brown | David Brown | Same |
| Power Output | 52hp | 58hp | ▲ 990 Selectamatic (1971-1980)+6 hp · +12% |
| Rated RPM | 2,200RPM | 2,200RPM | Same |
| Cylinders | 4 | 4 | Same |
| Displacement | 186ci | 195ci | ▲ 990 Selectamatic (1971-1980)+9 ci · +5% |
| Bore | 3.6in | 3.9in | ▲ 990 Selectamatic (1971-1980)+0.3 in · +8% |
| Stroke | 4.5in | 4in | ▲ 990 Implematic+0.5 in · +13% |
Transmission
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Type | Gear / Partially Synchronized | Partially Synchronized with Dry Disc Clutch | — |
Dimensions & Weight
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Length | 118in | 129in | ▲ 990 Selectamatic (1971-1980)+11 in · +9% |
| Width | 66.9in | 66.9in | Same |
| Height | 55.9in | Not recorded | — |
| Operating Weight | 4,272lb | 5,754lb | ▲ 990 Selectamatic (1971-1980)+1,482 lb · +35% |
Hydraulics
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| System Type | Open Center | Open Center | Same |
| Steering Type | Manual | Hydrostatic Power | — |
Power Take-off (PTO)
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Type | Transmission | Transmission or Live (option) | — |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | 1,000rpm | 1,000rpm | Same |
Hitch & Towing
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Hitch Category | II/I | II/I | Same |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | Not recorded | 2,000lb | — |
Chassis & Drive
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Hydrostatic Power | — |
| Brake Type | Differential Mechanical Expanding Shoe | Hydraulic Drum | — |
Electrical
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Coolant | 3.6gal | 3.7gal | ▲ 990 Selectamatic (1971-1980)+0.1 gal · +3% |
Operator Station
| Spec | David Brown 990 Implematic | David Brown 990 Selectamatic (1971-1980) | Difference |
|---|---|---|---|
| Type | Open Operator Station | Weather Frame Cab | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 47th percentile (52 hp)B · 52nd percentile (58 hp)
Engine Displacement
median 183 ciA · 50th percentile (186 ci)B · 52nd percentile (195 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 11th percentile (6)B · 50th percentile (12)
Operating Weight
median 5,303 lbA · 41st percentile (4,272 lb)B · 54th percentile (5,754 lb)
A · 990 ImplematicB · 990 Selectamatic (1971-1980)Median Utility Tractor