Thornado V-Twin 23HP Stationary Engine 670cc Electric Start Horizontal Key Shaft

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Thornado 23HP (670cc) Stationary Motor Petrol Engine E-Start (25.4mm Horizontal Key Shaft / Q-Type)


The Thornado 670cc V-Twin stationary engine offers higher power, greater fuel efficiency and stable performance than similar displacement standard twins engine. The horizontal shaft is ball-bearing mounted which make this engine an ideal replacement for most standard engine configurations. This engine features a durable cast iron cylinder liner, forged hardened steel crankshaft making it the perfect engine for variety of applications including water pumps, Go-karts, generator, wood chippers, Pressure Washers, Bench saws & other Agricultural uses. 



  • V-Twin Thornado 23HP (670cc), 4 Stroke OHV Engine
  • EPA emission certified engine
  • Steel forged and hardened crankshaft.
  • Durable cast iron cylinder liner withstands wear
  • High quality carburettor for easy starting and operation
  • Smooth running with minimal vibration
  • Low oil sensor shuts down engine when oil reaches a level that is too low for safe operation
  • Fuel shut off valve for safe transport
  • High power-to-weight ratio
  • 12 Months Australia Warranty


Suitable Applications

  • Water pump
  • Air compressors
  • Mowers
  • Log spliter
  • Go-Kart
  • Generator
  • Pressure washer
  • Chippers / shredders
  • Agricultural uses


Displacement 670cc
Engine Type 4 Stroke OHV Air Cooled Engine
Engine Model TH-670QE (23HP)
Starting System Electric
Max Power HP / Rpm 23HP / 4000 Rpm
Fuel Type Unleaded Petrol
Fuel Tank Capacity N/A
Oil Type SAE10w-30 / SAE30
Oil Capacity 1.1L
Fuel Consumption 374g/kw*h
PTO Shaft Rotation Counter Clockwise
Bore x Stroke 78 mm x 70 mm
Compression Ratio 8.5 : 1
Shaft Size 25.4 mm
Shaft Length 72.2 mm
Shaft Type Horizontal Key Shaft
Keyway 6.35 mm
Spark Plug Compatible NGK® BP-5ES; Torch® F6TC
Spark Plug Gap 0.7 - 0.8mm
Valve Clearance - Intake 0.15 mm
Valve Clearance - Exhaust 0.20 mm
Mounting Pattern (L x W) 195.5mm  x (86-102 mm)
Product Dimension (L X W x H) 500 x 430 x 500 mm
Product Weight 54 kg




Model # TH-670QE
Shipping Weight 51.0000kg
Shipping Width 0.520m
Shipping Height 0.670m
Shipping Length 0.620m
Shipping Cubic 0.216008000m3
Unit Of Measure Each

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