Head to head · Utility

David Brown 990 Implematic vs Iseki AT50

Image not recorded
David BrownModel A

David Brown 990 Implematic

Utility

power
52 hp
displacement
186 ci
Cylinders
4
Forward gears
6
Full 990 Implematic specs
Image not recorded
IsekiModel B

Iseki AT50

Utility

power
49.4 hp
displacement
180 ci
Cylinders
4
Forward gears
24
Full AT50 specs
David BrownDavid Brown 990 Implematic
vs
IsekiIseki AT50

How they compare

Headline specs vs. the whole Utility

n = 3,933–5,720

Engine Power

▲ 990 Implematic higher · +2.6 hp (+5%)
990 Implematic52 hp
AT5049.4 hp
Median Utility Tractor55 hp

990 Implematic is in the 47th percentile; AT50 is in the 44th · 5,383 models

Engine Displacement

▲ 990 Implematic higher · +6 ci (+3%)
990 Implematic186 ci
AT50180 ci
Median Utility Tractor183 ci

990 Implematic is in the 50th percentile; AT50 is in the 49th · 5,580 models

Cylinders

= Effectively tied
990 Implematic4
AT504
Median Utility Tractor4

990 Implematic is in the 50th percentile; AT50 is in the 50th · 5,720 models

Forward Gears

▲ AT50 higher · +18 (+300%)
990 Implematic6
AT5024
Median Utility Tractor12

990 Implematic is in the 11th percentile; AT50 is in the 92nd · 4,941 models

990 Implematic (A)AT50 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecDavid Brown 990 ImplematicIseki AT50Difference
ManufacturerDavid BrownIseki—
Model990 ImplematicAT50—
CategoryUtilityUtilitySame

Engine

SpecDavid Brown 990 ImplematicIseki AT50Difference
ManufacturerDavid BrownIseki—
ModelNot recordedE4DE—
Power Output52hp49.4hp▲ 990 Implematic+2.6 hp · +5%
Rated RPM2,200RPM2,500RPM▲ AT50+300 RPM · +14%
Cylinders44Same
Displacement186ci180ci▲ 990 Implematic+6 ci · +3%
Bore3.6in3.8in▲ AT50+0.2 in · +6%
Stroke4.5in3.9in▲ 990 Implematic+0.6 in · +15%

Transmission

SpecDavid Brown 990 ImplematicIseki AT50Difference
TypeGear / Partially SynchronizedNot recorded—

Dimensions & Weight

SpecDavid Brown 990 ImplematicIseki AT50Difference
Length118in139in▲ AT50+21 in · +18%
Width66.9in61.4in▲ 990 Implematic+5.5 in · +9%
Height55.9in89.8in▲ AT50+33.9 in · +61%
Operating Weight4,272lb3,814lb▲ 990 Implematic+458 lb · +12%

Hydraulics

SpecDavid Brown 990 ImplematicIseki AT50Difference
System TypeOpen CenterNot recorded—
Steering TypeManualPower—

Power Take-off (PTO)

SpecDavid Brown 990 ImplematicIseki AT50Difference
TypeTransmissionNot recorded—
Speed 1540rpmNot recorded—
Speed 21,000rpmNot recorded—

Hitch & Towing

SpecDavid Brown 990 ImplematicIseki AT50Difference
Hitch CategoryII/INot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecDavid Brown 990 ImplematicIseki AT50Difference
Chassis Type4x2 2WD4x4 MFWD 4WD—
Drive Type2WD4WD—
Steering TypeManualPower—
Brake TypeDifferential Mechanical Expanding ShoeNot recorded—

Electrical

SpecDavid Brown 990 ImplematicIseki AT50Difference
Starter TypeElectricElectricSame

Capacities

SpecDavid Brown 990 ImplematicIseki AT50Difference
Coolant3.6galNot recorded—

Operator Station

SpecDavid Brown 990 ImplematicIseki AT50Difference
TypeOpen Operator StationROPS—

Category context

Both models against the field

Engine Power

median 55 hp
A · 47th percentile (52 hp)B · 44th percentile (49.4 hp)

Engine Displacement

median 183 ci
A · 50th percentile (186 ci)B · 49th percentile (180 ci)

Cylinders

median 4
A · 50th percentile (4)B · 50th percentile (4)

Forward Gears

median 12
A · 11th percentile (6)B · 92nd percentile (24)

Operating Weight

median 5,303 lb
A · 41st percentile (4,272 lb)B · 34th percentile (3,814 lb)
A · 990 ImplematicB · AT50Median Utility Tractor
Full spec pageDavid Brown 990 ImplematicFull spec pageIseki AT50