Head to head · Row Crop

Allis Chalmers D19 vs New Holland 6635

Allis Chalmers D19 Tractor
Allis ChalmersModel A

Allis Chalmers D19

Row Crop

power
74.2 hp
displacement
262 ci
Cylinders
6
Forward gears
8
Full D19 specs
New Holland 6635 Tractor
New HollandModel B

New Holland 6635

Utility

power
75.7 hp
displacement
238 ci
Cylinders
4
Forward gears
24
Full 6635 specs
Allis ChalmersAllis Chalmers D19
vs
New HollandNew Holland 6635

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ 6635 higher · +1.5 hp (+2%)
D1974.2 hp
663575.7 hp
Median Row Crop Tractor138 hp

D19 is in the 11th percentile; 6635 is in the 13th · 1,206 models

Engine Displacement

▲ D19 higher · +24 ci (+10%)
D19262 ci
6635238 ci
Median Row Crop Tractor391 ci

D19 is in the 19th percentile; 6635 is in the 14th · 1,409 models

Cylinders

▲ D19 higher · +2 (+50%)
D196
66354
Median Row Crop Tractor6

D19 is in the 50th percentile; 6635 is in the 17th · 1,417 models

Forward Gears

▲ 6635 higher · +16 (+200%)
D198
663524
Median Row Crop Tractor16

D19 is in the 16th percentile; 6635 is in the 81st · 1,200 models

D19 (A)6635 (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecAllis Chalmers D19New Holland 6635Difference
ManufacturerAllis ChalmersNew Holland—
ModelD196635—
CategoryRow CropUtility—

Engine

SpecAllis Chalmers D19New Holland 6635Difference
ManufacturerAllis ChalmersIveco—
ModelAllis Chalmers 4.3L 6-cyl gasoline8045.25—
Power Output74.2hp75.7hp▲ 6635+1.5 hp · +2%
Rated RPM2,000RPM2,495RPM▲ 6635+495 RPM · +25%
Cylinders64▲ D19+2 · +50%
Displacement262ci238ci▲ D19+24 ci · +10%
Bore3.6in4.1in▲ 6635+0.5 in · +14%
Stroke4.4in4.5in▲ 6635+0.1 in · +2%

Transmission

SpecAllis Chalmers D19New Holland 6635Difference
TypeSliding gearPartial Power Shift—

Dimensions & Weight

SpecAllis Chalmers D19New Holland 6635Difference
Length154inNot recorded—
Width83.6in72.6in▲ D19+11 in · +15%
Height89in106in▲ 6635+17 in · +19%
Operating Weight6,650lb7,720lb▲ 6635+1,070 lb · +16%

Hydraulics

SpecAllis Chalmers D19New Holland 6635Difference
System TypeOpen centerOpen CenterSame
Pump Flow CapacityNot recorded15.3gpm—
PressureNot recorded2,540psi—
Steering TypePower assistPower—

Power Take-off (PTO)

SpecAllis Chalmers D19New Holland 6635Difference
TypeLiveOptional Transmission or Live PTO—
Speed 1540rpm540rpmSame
Speed 2Not recorded1,000rpm—

Tires

SpecAllis Chalmers D19New Holland 6635Difference
Front Tire SizeNot recorded9.00-16—
Rear Tire SizeNot recorded480/70R34—

Hitch & Towing

SpecAllis Chalmers D19New Holland 6635Difference
Hitch TypeSnap-Coupler / Three-Point HitchThree-Point Hitch—
Hitch CategoryIIIISame
Hitch PositionRearNot recorded—
Hitch CapacityNot recorded6,439lb—

Chassis & Drive

SpecAllis Chalmers D19New Holland 6635Difference
Chassis Type4x2 2WD4x2 2WDSame
Drive Type2WD2WDSame
Steering TypePower assistPower—
Brake TypeDifferential mechanical band and dry discNot recorded—

Electrical

SpecAllis Chalmers D19New Holland 6635Difference
Starter TypeElectricElectricSame

Capacities

SpecAllis Chalmers D19New Holland 6635Difference
Coolant3.8gal3.7gal▲ D19+0.1 gal · +3%

Operator Station

SpecAllis Chalmers D19New Holland 6635Difference
TypeOpen operator stationROPS, Cab available—

Category context

Both models against the field

Engine Power

median 138 hp
A · 11th percentile (74.2 hp)B · 13th percentile (75.7 hp)

Engine Displacement

median 391 ci
A · 19th percentile (262 ci)B · 14th percentile (238 ci)

Cylinders

median 6
A · 50th percentile (6)B · 17th percentile (4)

Forward Gears

median 16
A · 16th percentile (8)B · 81st percentile (24)

Operating Weight

median 12,307 lb
A · 14th percentile (6,650 lb)B · 19th percentile (7,720 lb)
A · D19B · 6635Median Row Crop Tractor
Full spec pageAllis Chalmers D19Full spec pageNew Holland 6635