The Story
Unleash the force behind your endeavours with the Rock Machinery RM420F 13HP engine, equipped with electric start for effortless ignition.
This engine delivers commanding strength to drive a multitude of machinery and tackle the toughest tasks with ease. Whether you're powering industrial equipment or navigating rugged terrain with agricultural machinery, the RM420F rises to the challenge, ensuring unparalleled performance every step of the way.
Designed with precision and durability in mind, this engine boasts a rugged construction that withstands the rigors of continuous use, making it the perfect choice for contractors, landscapers, and enthusiasts alike. The electric start mechanism provides convenience and efficiency, eliminating the need for manual ignition and streamlining your workflow.
Upgrade your equipment today and experience the superior performance and peace of mind that only Rock Machinery can deliver.
SPECS
Dimensions L 490 x W 350 x H 510mmÂ
Dry Weight: 29.5kgÂ
Engine Type: 4-stoke OHV single cylinderÂ
Cooling system: force air cooledÂ
Displacement: 420ccÂ
Bore x Stroke: 90x66mm
Crankshaft Diameter: 25.4mm / 1"Â
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Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Unleash the force behind your endeavours with the Rock Machinery RM420F 13HP engine, equipped with electric start for effortless ignition.
This engine delivers commanding strength to drive a multitude of machinery and tackle the toughest tasks with ease. Whether you're powering industrial equipment or navigating rugged terrain with agricultural machinery, the RM420F rises to the challenge, ensuring unparalleled performance every step of the way.
Designed with precision and durability in mind, this engine boasts a rugged construction that withstands the rigors of continuous use, making it the perfect choice for contractors, landscapers, and enthusiasts alike. The electric start mechanism provides convenience and efficiency, eliminating the need for manual ignition and streamlining your workflow.
Upgrade your equipment today and experience the superior performance and peace of mind that only Rock Machinery can deliver.
SPECS
Dimensions L 490 x W 350 x H 510mmÂ
Dry Weight: 29.5kgÂ
Engine Type: 4-stoke OHV single cylinderÂ
Cooling system: force air cooledÂ
Displacement: 420ccÂ
Bore x Stroke: 90x66mm
Crankshaft Diameter: 25.4mm / 1"Â
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