The Holt Tractor 2.6cc Vertical Single Cylinder 4-Stroke OHV Gas Engine Model is a toy or hobby engine designed for enthusiasts who enjoy model building and tinkering with small engines. This specific engine features a vertical single cylinder design, 4-stroke operation, and overhead valve (OHV) technology for improved performance and efficiency. It is a module engine that includes a stand for stability and easy display. Perfect for those looking to add a unique and functional piece to their collection or for educational purposes.


This is a water-cooled vertical single-cylinder engine with a speed limit mechanism and a radiator, crafted from brass and stainless steel with a wooden base for easy placement and handling.

The excellent desktop model engine produces exciting sound wave during work for eye-catching charm of the mechanical operation of the engine. It will be appreciated for uncompromising performance.  

The historic vintage engine makes a perfect addition for model enthusiasts and collectors for their spare time and excellent personalized gift for mechanical fans for birthdays and Christmas. Suitable for ages 16 and up.


Engine Start Methods:

  • Check engine circuitry from the wooden base, connect the fuel tank fuel tube, and install 3 AA batteries (4.5V).
  • Fill 95# gasoline into the tank. Rotate the flywheel clockwise on the right side of the engine (the surface of the power switch) for several times to make the mixed fuel enter the cylinder. Make sure that there is no air in the fuel tube.
  • Turn on the power switch, then quickly turn the flywheel clockwise to start the engine on the right side (power switch surface).  

Precautions:

  • The engine will not start if the ignition device and the cylinder compression is normal, in that case the carburetor oil needle adjustment is needed.
  • After tightening the main oil needle on the carburetor, loosen the 1/4 ring and start the flywheel to make the mixing ratio of gasoline and air normal.
  • The power switch should be turned off when the machine stops running.

Specifications:
  • Material: Brass + Stainless Steel + Wood
  • Color: As Shown
  • Article Number: H73
  • Engine Dimensions: 11 x 9 x 15.5cm
  • Engine Weight: 1500g
  • Package Dimensions: 20 x 20 x 9.8cm
  • Package Weight: 1950g
  • Wood Base Size: 15 x 12 x 3cm
  • Displacement: 2.6cc
  • Bore: 1.3cm
  • Stroke: 2cm
  • Ignition Power Supply Voltage: AA Batteries(Not Included)
  • Start Method: External Force(Electric Drill) or Hand Pulling

Package List:

  • 1 x H73 Holt Engine Model