Head to head · Row Crop

David Brown 900 vs Nuffield Universal M4

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David BrownModel A

David Brown 900

Row Crop

power
37.5 hp
displacement
165 ci
Cylinders
4
Forward gears
6
Full 900 specs
Image not recorded
NuffieldModel B

Nuffield Universal M4

Row Crop

power
38 hp
displacement
230 ci
Cylinders
4
Forward gears
5
Full Universal M4 specs
David BrownDavid Brown 900
vs
NuffieldNuffield Universal M4

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ Universal M4 higher · +0.5 hp (+1%)
90037.5 hp
Universal M438 hp
Median Row Crop Tractor138 hp

900 is in the 3rd percentile; Universal M4 is in the 3rd · 1,206 models

Engine Displacement

▲ Universal M4 higher · +65 ci (+39%)
900165 ci
Universal M4230 ci
Median Row Crop Tractor391 ci

900 is in the 5th percentile; Universal M4 is in the 12th · 1,409 models

Cylinders

= Effectively tied
9004
Universal M44
Median Row Crop Tractor6

900 is in the 17th percentile; Universal M4 is in the 17th · 1,417 models

Forward Gears

▲ 900 higher · +1 (+20%)
9006
Universal M45
Median Row Crop Tractor16

900 is in the 11th percentile; Universal M4 is in the 7th · 1,200 models

900 (A)Universal M4 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecDavid Brown 900Nuffield Universal M4Difference
ManufacturerDavid BrownNuffield—
Model900Universal M4—
CategoryRow CropRow CropSame

Engine

SpecDavid Brown 900Nuffield Universal M4Difference
ManufacturerDavid BrownMorris—
ModelAD4/30HNot recorded—
Power Output37.5hp38hp▲ Universal M4+0.5 hp · +1%
Rated RPM2,200RPM2,000RPM▲ 900+200 RPM · +10%
Cylinders44Same
Displacement165ci230ci▲ Universal M4+65 ci · +39%
Bore3.6in3.9in▲ Universal M4+0.3 in · +8%
Stroke4in4.7in▲ Universal M4+0.7 in · +18%

Transmission

SpecDavid Brown 900Nuffield Universal M4Difference
TypeGear typeGear—

Dimensions & Weight

SpecDavid Brown 900Nuffield Universal M4Difference
Length113in123in▲ Universal M4+10 in · +9%
Width65in83in▲ Universal M4+18 in · +28%
Height77.8in82in▲ Universal M4+4.2 in · +5%
Operating Weight4,000lb4,886lb▲ Universal M4+886 lb · +22%

Hydraulics

SpecDavid Brown 900Nuffield Universal M4Difference
System TypeNot recordedOpen center—
Steering TypeManualManualSame

Power Take-off (PTO)

SpecDavid Brown 900Nuffield Universal M4Difference
TypeTransmission or live (optional)Not recorded—
Speed 1540rpmNot recorded—

Hitch & Towing

SpecDavid Brown 900Nuffield Universal M4Difference
Hitch CategoryIISame
Hitch Capacity1,800lbNot recorded—

Chassis & Drive

SpecDavid Brown 900Nuffield Universal M4Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeMechanical drumNot recorded—

Electrical

SpecDavid Brown 900Nuffield Universal M4Difference
Starter TypeElectric12 Volt—

Capacities

SpecDavid Brown 900Nuffield Universal M4Difference
Coolant3.5gal4.8gal▲ Universal M4+1.3 gal · +37%

Operator Station

SpecDavid Brown 900Nuffield Universal M4Difference
TypeOpen operator stationNot recorded—

Category context

Both models against the field

Engine Power

median 138 hp
A · 3rd percentile (37.5 hp)B · 3rd percentile (38 hp)

Engine Displacement

median 391 ci
A · 5th percentile (165 ci)B · 12th percentile (230 ci)

Cylinders

median 6
A · 17th percentile (4)B · 17th percentile (4)

Forward Gears

median 16
A · 11th percentile (6)B · 7th percentile (5)

Operating Weight

median 12,307 lb
A · 5th percentile (4,000 lb)B · 8th percentile (4,886 lb)
A · 900B · Universal M4Median Row Crop Tractor
Full spec pageDavid Brown 900Full spec pageNuffield Universal M4