Head to head · Crawler

David Brown 50TD vs David Brown 990 Implematic

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David BrownModel A

David Brown 50TD

Crawler

power
50 hp
displacement
248 ci
Cylinders
6
Forward gears
6
Full 50TD specs
Image not recorded
David BrownModel B

David Brown 990 Implematic

Utility

power
52 hp
displacement
186 ci
Cylinders
4
Forward gears
6
Full 990 Implematic specs
David BrownDavid Brown 50TD
vs
David BrownDavid Brown 990 Implematic

How they compare

Headline specs vs. the whole Crawler

n = 134–192

Engine Power

▲ 990 Implematic higher · +2 hp (+4%)
50TD50 hp
990 Implematic52 hp
Median Crawler Tractor200 hp

50TD is in the 29th percentile; 990 Implematic is in the 31st · 142 models

Engine Displacement

▲ 50TD higher · +62 ci (+33%)
50TD248 ci
990 Implematic186 ci
Median Crawler Tractor468 ci

50TD is in the 35th percentile; 990 Implematic is in the 27th · 191 models

Cylinders

▲ 50TD higher · +2 (+50%)
50TD6
990 Implematic4
Median Crawler Tractor6

50TD is in the 50th percentile; 990 Implematic is in the 33rd · 192 models

Forward Gears

= Effectively tied
50TD6
990 Implematic6
Median Crawler Tractor10

50TD is in the 34th percentile; 990 Implematic is in the 34th · 179 models

50TD (A)990 Implematic (B)Median Crawler Tractor

Full comparison

Every spec, side by side

General Information

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
ManufacturerDavid BrownDavid BrownSame
Model50TD990 Implematic—
CategoryCrawler, AgriculturalUtility—

Engine

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
ManufacturerDavid BrownDavid BrownSame
Power Output50hp52hp▲ 990 Implematic+2 hp · +4%
Rated RPM1,800RPM2,200RPM▲ 990 Implematic+400 RPM · +22%
Cylinders64▲ 50TD+2 · +50%
Displacement248ci186ci▲ 50TD+62 ci · +33%
Bore3.6in3.6inSame
Stroke4in4.5in▲ 990 Implematic+0.5 in · +13%

Transmission

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
TypeGear type with dry disc clutchGear / Partially Synchronized—

Dimensions & Weight

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
Length121in118in▲ 50TD+3 in · +3%
Width70.9in66.9in▲ 50TD+4 in · +6%
Height55.9in55.9inSame
Operating Weight10,450lb4,272lb▲ 50TD+6,178 lb · +145%

Hydraulics

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
System TypeNot recordedOpen Center—
Steering TypeControlled differentialManual—

Power Take-off (PTO)

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
TypeNot recordedTransmission—
Speed 1540rpm540rpmSame
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
Hitch CategoryNot recordedII/I—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
Chassis TypeCrawler4x2 2WD—
Drive TypeNot recorded2WD—
Steering TypeControlled differentialManual—
Brake TypeNot recordedDifferential Mechanical Expanding Shoe—

Electrical

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
Starter TypeElectricElectricSame

Capacities

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
Coolant4.8gal3.6gal▲ 50TD+1.2 gal · +33%

Operator Station

SpecDavid Brown 50TDDavid Brown 990 ImplematicDifference
TypeOpenOpen Operator Station—

Category context

Both models against the field

Engine Power

median 200 hp
A · 29th percentile (50 hp)B · 31st percentile (52 hp)

Engine Displacement

median 468 ci
A · 35th percentile (248 ci)B · 27th percentile (186 ci)

Cylinders

median 6
A · 50th percentile (6)B · 33rd percentile (4)

Forward Gears

median 10
A · 34th percentile (6)B · 34th percentile (6)

Operating Weight

median 23,320 lb
A · 33rd percentile (10,450 lb)B · 13th percentile (4,272 lb)
A · 50TDB · 990 ImplematicMedian Crawler Tractor
Full spec pageDavid Brown 50TDFull spec pageDavid Brown 990 Implematic