The Non-rear PTO Crankcase is a fundamental engine component for the Sitrak C7H, serving as the structural foundation that houses the crankshaft, pistons, and connecting rods. This complete assembly ensures precise alignment and reliable operation of all internal engine components.
This comprehensive Non-rear PTO Crankcase kit includes the Crankcase Assembly, Oil Pump Bushing, Cylinder Liner Seal Ring 139.4X3.95, Hexagon Flange Bolt-M6X12-10.9-MAN183-B1, Dowel Pin GB/T 119.1 16H8X24, Dowel Pin GB/T 119.2-8M6X18, Composite Sealing Washer BS-14,7 X22,0-ST/FPM1-80, Screw Plug M14X1,5-ST, Cylinder Liner, Oil Nozzle, Cup Plug diameter 32,30, and Cup Plug diameter 40,30. Every component of this Non-rear PTO Crankcase is engineered to OEM specifications for a perfect fit and reliable performance under extreme operating conditions.
The Non-rear PTO Crankcase is manufactured from high-strength cast iron with a precision-machined cylinder bore and main bearing journals. It features a rigid, deep-skirt design that reduces vibration and noise, while the integrated oil galleries ensure proper lubrication of all moving parts. This Non-rear PTO Crankcase is specifically designed without rear PTO provisions, making it ideal for standard driveline configurations.
For complete technical specifications and ordering details, please refer to the official Sinotruk Catalog, which provides comprehensive information on all available variants and compatible truck models for the Non-rear PTO Crankcase.
Whether you are performing a complete engine rebuild or replacing a damaged crankcase, this Non-rear PTO Crankcase delivers factory-quality components and a straightforward installation. This Non-rear PTO Crankcase is the definitive choice for operators who demand reliable engine performance and long service life.
This is the main component of the Non-rear PTO Crankcase, a high-strength cast iron housing that supports the crankshaft and provides mounting points for all auxiliary components. It features precision-machined main bearing bores and cylinder bores, with a rigid deep-skirt design that minimizes flex and vibration.
The crankcase includes integrated oil galleries, coolant passages, and breather ports, ensuring proper lubrication and cooling of the internal components. This Non-rear PTO Crankcase does not include a rear PTO opening, making it suitable for standard driveline applications. The assembly is fully machined and ready for installation, and it includes all necessary threaded inserts and locating dowel holes.
This precision-machined bushing provides a bearing surface for the oil pump drive shaft. In the Non-rear PTO Crankcase, it ensures smooth and reliable operation of the oil pump, maintaining consistent oil pressure for engine lubrication. The bushing is made of high-strength bronze with a self-lubricating surface.
This O-ring provides a reliable seal between the cylinder liner and the crankcase. In the Non-rear PTO Crankcase, it prevents coolant and combustion gases from leaking into the oil pan. Made from high-temperature resistant FKM rubber, it withstands the harsh environment of the engine’s water jacket.
These high-strength M6 bolts secure various components to the crankcase. In the Non-rear PTO Crankcase, they are grade 10.9 and feature a zinc-nickel coating for corrosion resistance. The MAN183-B1 specification ensures compatibility with the Sitrak C7H engine.
This precision ground dowel pin ensures accurate alignment of the crankcase components. In the Non-rear PTO Crankcase, it maintains proper positioning of the main bearing caps and other critical parts, ensuring consistent assembly and engine reliability.
This smaller dowel pin is used for auxiliary component alignment. In the Non-rear PTO Crankcase, it provides precise location for components such as the oil pump and timing cover, ensuring correct assembly and reliable operation.
This sealing washer provides a leak-free seal for threaded connections in the Non-rear PTO Crankcase. It features a metal core with an FPM rubber coating, capable of withstanding oil, coolant, and temperatures up to 150°C.
This screw plug seals an oil or coolant passage in the Non-rear PTO Crankcase. It features a hexagon socket drive and a zinc plating for corrosion resistance, with a pre-applied thread sealant for leak-free sealing.
This wet-type cylinder liner provides the wear-resistant surface for the piston rings. In the Non-rear PTO Crankcase, it is made of centrifugally cast alloy iron with a hardened bore, ensuring long service life and excellent heat transfer to the coolant jacket.
This precision nozzle directs a jet of oil to the underside of the piston for cooling. In the Non-rear PTO Crankcase, it ensures proper piston temperature control and lubrication, reducing thermal stress and extending piston life.
This cup-type expansion plug seals casting holes in the Non-rear PTO Crankcase. Made of steel with a corrosion-resistant coating, it is installed with a press fit and provides a permanent seal against oil and coolant leakage.
This larger cup plug is used for sealing larger casting openings in the Non-rear PTO Crankcase. It is identical in construction to the smaller version but with a larger diameter, ensuring reliable sealing of all factory openings.
The Non-rear PTO Crankcase is manufactured from high-strength cast iron with a rigid deep-skirt design that minimizes flex and vibration. This ensures long-term reliability and reduces the risk of crankshaft bearing failure, even under the most demanding operating conditions.
This Non-rear PTO Crankcase kit includes every component needed for a complete engine block assembly – from the crankcase itself to all seals, plugs, liners, and fasteners. The all-in-one solution eliminates the need to source individual parts, saving time and ensuring compatibility.
The Non-rear PTO Crankcase is precision-machined to the exact OEM specifications, guaranteeing perfect alignment of the crankshaft, pistons, and connecting rods. The included dowel pins and locating features ensure accurate assembly, reducing the risk of engine failure.
The Non-rear PTO Crankcase is manufactured to the exact OEM specifications, guaranteeing a perfect fit on the Sitrak C7H. Its design without a rear PTO opening makes it ideal for standard driveline configurations, ensuring compatibility with a wide range of applications.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.
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