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Rocker Arm Housing Cover 6210-11-8111 for Komatsu HD785-5 Rigid Dump Truck
Vendor: Imara Engineering Supplies
Available in stock
Additional Information
Part Name: Rocker Arm Housing Cover
Part Number(s): 6210-11-8111
Brand Compatibility: Komatsu
Machine Model: HD785-5
Machine Type: Rigid Dump Truck
Application: Cylinder Head / Valve Train Cover
Condition: Brand New / OEM Standard Replacement — the same condition standard stated on every Imara Engineering Supplies product.
Shipping: Fast worldwide shipping available with secure packaging and reliable international logistics.
The 6210-11-8111 rocker arm housing cover is specified for the Komatsu HD785-5 rigid dump truck, fitted to the SA12V140-1 diesel engine that powers the machine. Komatsu's own parts documentation lists this cover under figure A1110-A7A3A (catalogue page 030020), alongside its matching gasket, a heat shield plate, and the bolts that retain it.
Each cylinder head on the 12-cylinder SA12V140-1 is fitted with its own rocker arm housing cover, which is why Komatsu's documentation specifies a quantity of 12 for this part — one per cylinder. The cover encloses and protects the rocker arm (valve) mechanism at the top of the cylinder head, retaining lubricating oil within the valve train and keeping out dirt and moisture. The Komatsu HD785-5 is a large rigid dump (haul) truck built for mining and quarry operations, powered by the SA12V140-1 diesel engine — a 12-cylinder (V12), 140 x 165 mm bore/stroke, 30.48-litre unit producing approximately 753 kW (~1,007 hp), per public HD785-5 specifications. The truck itself has a net load capacity of around 91 tonnes. It is typically renewed during valve train service, or where the original cover has cracked, corroded, or lost its sealing surface.
Cross-Reference Part Numbers: 6210-11-8111 — Komatsu's parts documentation carries no alternate prefix or aftermarket cross-reference for this part; this is the single canonical OEM designation.
Engine Identification: Komatsu SA12V140-1 (12-cylinder/V12 diesel)
Compatible Models: Komatsu HD785-5 rigid dump truck, documented machine serial range 0012121- and up (per Komatsu's own parts catalogue).
Assembly Context: Documented on OEM figure A1110-A7A3A (catalogue page 030020) alongside the other 3 components in this same rocker arm housing assembly — see Related Parts below for the full set.
Typical Applications: Mining, Quarrying, Heavy Earthmoving, Construction Site Haulage
Fitment note: Confirm your machine's serial number and existing engine configuration before ordering — HD785-5 specifications can vary across production series.
Specifications
Compatible Models: Komatsu HD785-5 (serial 0012121- and up)
Sourced from OEM figure A1110-A7A3A, catalogue page 030020.
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