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608cc 20hp VERTICAL SHAFT ENGINE for ride on mowers

There are a few things to check before purchasing this engine:

  1. Does your engine have a Briggs & Stratton bolt pattern? Our engine does. You can view the bolt pattern in the thumbnail pictures to check if it matches up with the engine you are replacing. If it doesn’t match you can always drill new holes in your deck.
  2. Does the engine you are replacing have a 25.4mm shaft?
  3. Will our engine fit into the same space as the one you are replacing? Check the dimensions of our engine in the thumbnail listings, just to make sure.

These engines are absolutely top of the range.
They are sold with a two year warranty and all spare parts are available and in stock.

Please contact us if you have any questions.

The bolt holes on this engine will require thread tapping.

PLEASE NOTE: THIS IS AN UNIVERSAL FITMENT ENGINE AND SOME MODIFICATIONS TO THE MOWER MIGHT BE NEEDED, INCLUDING (BUT NOT LIMITED TO) THE MUFFLER AND EXHAUST SYSTEM.

Features:

  • Twin shaft balance system to reduce the vibration of the engine
  • Angled fan blades designed to reduce noise while maintaining appropriate air flow
  • Dedicated full flow fine oil filter for superior lubrication
  • Cast iron cylinder formed with centrifugul casting
  • Crankcase with built in balanced ventilation system to avoid external seal leakage and reduce oil consumption
  • United governor system so choke and throttle valve can be controlled together or separately
  • Two oil drainage holes
  • Complete with muffler and fuel pump

Output Shaft Size:
The output shaft on our engine is 1” (25.4mm). Almost all ride-on-mower engines with a HP rating between 9hp and 18hp will have 1” shafts. The thread pitch for the output shaft is 7/16 20 UNF -2B.

Specifications:

Engine type Single cylinder, 4stroke, forced cooling, OHV
Displacement 608cc
Bore x stroke 96mm × 84mm
Bore material Cast iron
Net power 20HP / 3600rpm
Net torque 40 Nm / 2600rpm
Fuel consumption ≤ 390 grams per killowatt hour
Compression ratio 8.7:1
PTO shaft rotation Anti-clockwise (from PTO side)
Output Shaft Size 25.4mm
Output Shaft Length 80mm
Output Shaft Thread Pitch 7/16 – 20 UNF-2B
Output Shaft Keyway 6mm
Ignition system Inductance ignition
Electrical system Electric-start, 12 volt, 15 amp regulated charging system (battery not included)
Cooling type Fan forced, air cooled
Fuel pump Vacuum type
Lubrication system Oil Pump and Pressure Feed
Governor system Centrifugal mass type
Air cleaner Semi-dry, dual element
Oil capacity 1.6L
Net weight 36kg (40kg packed)
Dimension(mm) W: 490 × L: 500 × H: 430mm (Check photos for schematic)

NO FUEL TANK IS INCLUDED WITH THIS ENGINE

SKU VS20ES_
Model # VS20ES_
Barcode # 682157270972
Brand JONO & JOHNO
Shipping Weight 40.0000kg
Shipping Width 0.490m
Shipping Height 0.430m
Shipping Length 0.500m
Unit Of Measure ea

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