Head to head · Utility

Allis Chalmers 5040 vs David Brown 850

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Allis ChalmersModel A

Allis Chalmers 5040

Utility

power
40 hp
displacement
143 ci
Cylinders
3
Forward gears
12
Full 5040 specs
David Brown 850 Tractor
David BrownModel B

David Brown 850

Utility

power
40.1 hp
displacement
154 ci
Cylinders
4
Forward gears
6
Full 850 specs
Allis ChalmersAllis Chalmers 5040
vs
David BrownDavid Brown 850

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ 850 higher · +0.1 hp (<1%)
504040 hp
85040.1 hp
Median Utility Tractor55 hp

5040 is in the 33rd percentile; 850 is in the 34th · 5,383 models

Engine Displacement

▲ 850 higher · +11 ci (+8%)
5040143 ci
850154 ci
Median Utility Tractor183 ci

5040 is in the 36th percentile; 850 is in the 41st · 5,580 models

Cylinders

▲ 850 higher · +1 (+33%)
50403
8504
Median Utility Tractor4

5040 is in the 23rd percentile; 850 is in the 50th · 5,720 models

Forward Gears

▲ 5040 higher · +6 (+100%)
504012
8506
Median Utility Tractor12

5040 is in the 50th percentile; 850 is in the 11th · 4,941 models

5040 (A)850 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers 5040David Brown 850Difference
ManufacturerAllis ChalmersDavid Brown—
Model5040850—
CategoryUtilityUtilitySame

Engine

SpecAllis Chalmers 5040David Brown 850Difference
ManufacturerUTBDavid Brown—
ModelUzina2.5L 4-cyl diesel—
Power Output40hp40.1hp▲ 850+0.1 hp · <1%
Rated RPM2,400RPM2,000RPM▲ 5040+400 RPM · +20%
Cylinders34▲ 850+1 · +33%
Displacement143ci154ci▲ 850+11 ci · +8%
Bore3.7in3.5in▲ 5040+0.2 in · +6%
Stroke4.3in4in▲ 5040+0.3 in · +7%

Transmission

SpecAllis Chalmers 5040David Brown 850Difference
TypePartially synchronized with dry disc clutchUnsynchronized gear—

Dimensions & Weight

SpecAllis Chalmers 5040David Brown 850Difference
Length116in114in▲ 5040+2 in · +2%
Width60.6inNot recorded—
Height76.4in51.8in▲ 5040+24.6 in · +47%
Operating Weight3,858lb4,094lb▲ 850+236 lb · +6%

Hydraulics

SpecAllis Chalmers 5040David Brown 850Difference
System TypeOpen centerNot recorded—
Steering TypePowerManual—

Power Take-off (PTO)

SpecAllis Chalmers 5040David Brown 850Difference
TypeContinuous or independentTransmission or Live (optional)—
Speed 1540rpm540rpmSame
Speed 2Not recorded1,000rpm—

Hitch & Towing

SpecAllis Chalmers 5040David Brown 850Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryII/II—
Hitch PositionRearRearSame
Hitch Capacity2,644lbNot recorded—

Chassis & Drive

SpecAllis Chalmers 5040David Brown 850Difference
Chassis Type4x2 (2WD)4x2 2WD—
Drive Type2WD2WDSame
Steering TypePowerManual—
Brake TypeMechanical bandDifferential mechanical expanding shoe—

Electrical

SpecAllis Chalmers 5040David Brown 850Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers 5040David Brown 850Difference
Coolant3.5gal3.6gal▲ 850+0.1 gal · +3%

Operator Station

SpecAllis Chalmers 5040David Brown 850Difference
TypeOpen operator station or ROPS (optional)Open operator station—

Category context

Both models against the field

Engine Power

median 55 hp
A · 33rd percentile (40 hp)B · 34th percentile (40.1 hp)

Engine Displacement

median 183 ci
A · 36th percentile (143 ci)B · 41st percentile (154 ci)

Cylinders

median 4
A · 23rd percentile (3)B · 50th percentile (4)

Forward Gears

median 12
A · 50th percentile (12)B · 11th percentile (6)

Operating Weight

median 5,303 lb
A · 35th percentile (3,858 lb)B · 38th percentile (4,094 lb)
A · 5040B · 850Median Utility Tractor
Full spec pageAllis Chalmers 5040Full spec pageDavid Brown 850