Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1934–1940

Caterpillar

R5

Explore the specifications, hardware, and original references for the Caterpillar R5.

Generic tractor; no model photo available
No photo

64hp

Engine estimate · from belt

Tracks

Drive

1934–1940

Production years

Caterpillar

Manufacturer

R5 / 01

At a glance

Production

Agricultural Crawler tractor

Built in Peoria, Illinois, USA

The Caterpillar R5 was originally a special-order machine for the US Government. It was first based on the Thirty-Five, then the Forty. Later models were the gas counterpart to the RD6.

Manufacturer
Caterpillar

Mechanical

Open operator station.

Drive
crawler

Belt Pulley

Diameter
12 inches30 cm
Width
8.5 inches21 cm
Rpm
950

R5 / 02

Under the hood

Engine Detail

Caterpillar

gasoline

4-cylinder

liquid-cooled

Displacement
618 ci10.1 L
Bore Stroke
5.50x6.50 inches140 x 165 mm
Rated Rpm
950
Oil Capacity
14 qts13.2 L
Coolant Capacity
37 qts35.0 L
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled

Engine Options

Caterpillar 10.1L 4-cyl gasoline

Fuel Tank
50 gal189.2 L

R5 / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
4 forward and 1 reverse
Clutch
dry disc
Oil Capacity
20 qts18.9 L

R5 / 04

Size. Stance. Footprint.

Dimensions

Length
139.4 in354 cm
Width
72.5 in184 cm
Height
69.3 in176 cm
Ground clearance
9.75 in24 cm

Tires And Tracks

16-inch tracks

Weight
13675 lbs6202 kg

Tires And Tracks

Width
16 inches40 cm
Length On Ground
71.4 inches181 cm
Area On Ground
2284 in²1.5 m²

R5 / 05

Tests (NTTL)

Nebraska Tractor Test 224Nebraska test report ↗

Gasoline 4-speed crawlerJuly 12 - 20, 1934

Drawbar performance

Gear 2 used for power test.

Gear 1 used for pull test.

Id
224
Belt Power Max
58.89 hp43.9 kW
Max Power
49.44 hp36.9 kW
Max Pull
10834 lbs4914 kg