Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1915–1916

Pioneer Tractor

Junior

Explore the specifications, hardware, and original references for the Pioneer Tractor Junior.

Generic tractor; no model photo available
No photo

50hp

Engine estimate · from belt

2WD Only

Drive

1915–1916

Production years

Pioneer Tractor

Manufacturer

Junior / 01

At a glance

Production

Standard-tread tractor

Built in Winona, Minnesota, USA

Manufacturer
Pioneer Tractor

Mechanical

Two-wheel drive

Steering
manual

Belt Pulley

Diameter
14 inches35 cm
Width
10 inches25 cm

Junior / 02

Under the hood

Engine Detail

Pioneer Tractor

gasoline

4-cylinder

liquid-cooled

Displacement
792 ci13.0 L
Bore Stroke
6.00x7.00 inches152 x 178 mm
Rated Rpm
625
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled

Engine Options

Pioneer Tractor 13.0L 4-cyl gasoline

Fuel Tank
60 gal227.1 L

Junior / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
5 forward and 1 reverse

Junior / 04

Size. Stance. Footprint.

Dimensions

Length
157 in398 cm
Width
87 in220 cm
Height
64 in162 cm

Dimensions And Tires

Weight
11000 lbs4989 kg
Rear Tire
72x20

Tires And Tracks

Rear Ag
72x20 (steel)