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Years in Production / 1923–1927
Wallis
OK 15-27
Explore the specifications, hardware, and original references for the Wallis OK 15-27.
No photo
30hp
Engine estimate · from belt
2WD Only
Drive
1923–1927
Production years
Wallis
Manufacturer
OK 15-27 / 01
At a glance
Production
Standard-tread tractor
Built in Racine, Wisconsin, USA
- Manufacturer
- Wallis (a part of J.I. Case Plow Works)
Mechanical
Two-wheel drive
- Steering
- manual
Belt Pulley
- Diameter
- 18.5 inches46 cm
- Width
- 7 inches17 cm
- Rpm
- 475
- Speed
- 2,300 ft/min701.04 meters/min
OK 15-27 / 02
Under the hood
Engine Detail
Wallis
gasoline
4-cylinder
liquid-cooled
- Displacement
- 326.3 ci5.3 L
- Bore Stroke
- 4.25x5.75 inches108 x 146 mm
- Rated Rpm
- 1000
- Starter Type
- hand-crank
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
OK 15-27 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
OK 15-27 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 3,630 lbs1646 kg
- Front Tire
- 30x8
- Rear Tire
- 48x12
Tires And Tracks
- Front Ag
- 30x8 (steel)
- Rear Ag
- 48x12 (steel)
OK 15-27 / 05
Tests (NTTL)
Nebraska Tractor Test 92
Gasoline 2-speed 2WDApril 26 - May 5, 1923
Drawbar performance
- Id
- 92
- Belt Power Max
- 28.60 hp21.3 kW
- Belt Fuel Use Max
- 3.5 gal/hour13.2 l/hour
- Max Power
- 18.15 hp13.5 kW
- Max Pull
- 2,590 lbs1174 kg