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Reliable torque transfer for heavy-duty drivetrains – The OEM SPV0000001899 Clutch Assembly is engineered to handle high torque loads up to 2100 Nm, providing smooth engagement, reduced pedal effort, and extended service life in demanding applications. Designed for SINOTRUK Homan trucks, this clutch ensures consistent power delivery from engine to gearbox. For guaranteed compatibility and performance, always choose genuine Sinotruk Homan parts.
The SPV0000001899 features a diaphragm spring design with organic-metallic friction material, offering excellent heat dissipation and resistance to glazing even under repeated heavy starts.
The SPV0000001899 clutch assembly uses a diaphragm spring with progressive leverage, providing a light pedal feel (150-180 N) while maintaining high clamp load. This reduces driver fatigue in stop-and-go traffic and heavy off-road conditions.
The friction disc incorporates a segmented organic-metallic lining with copper wire reinforcement, offering a high coefficient of friction (0.45-0.50) and excellent fade resistance up to 400°C. Unlike cheap aftermarket units, this genuine clutch resists hot spots and judder.
A sprung hub with 8 torsional dampers isolates the gearbox from engine vibrations, eliminating gear rattle and extending transmission life. The cover is made from stamped high-strength steel with a corrosion-resistant zinc coating.
Rated for engines up to 2100 Nm, suitable for SINOTRUK WD615, WD618, and MC series. Handles peak torque with safety margin.
Organic-metallic ceramic lining with 20% higher thermal conductivity, reducing wear from frequent slipping.
Durability tested to 1.5 million actuation cycles without loss of clamp force. Progressive engagement reduces shock load.
| OEM Number | SPV0000001899 |
| Product Name | Clutch Assembly (Single Plate, Diaphragm Spring) |
| Brand | SINOTRUK Homan |
| Clutch Size | 430 mm (diameter) |
| Torque Capacity | 2100 Nm (max engine torque) |
| Clamp Load (new) | 8500 N ± 5% |
| Pedal Force | 150-180 N (with standard release mechanism) |
| Friction Material | Organic-metallic ceramic composite, asbestos-free |
| Coefficient of Friction | 0.45 – 0.50 (dry) |
| Number of Torsional Springs | 8 (4 primary + 4 secondary) |
| Spring Rates | Primary: 35 N/mm, Secondary: 85 N/mm |
| Damping Angle | ±7.5° (primary) + ±10° (secondary) |
| Disc Thickness (new) | 11.2 mm ± 0.2 mm (wear limit: 7.5 mm) |
| Cover Material | Stamped steel, zinc-plated |
| Release Bearing Type | Self-centering, sealed ball bearing (included in kit) |
| Max Operating Temperature | 400°C (intermittent), 250°C (continuous) |
| Balancing Grade | DIN ISO 21940-11, G 6.3 @ 3000 rpm |
| Compatible Models | SINOTRUK HOWO, A7, T7H, C7H, Hohan with 430mm flywheel |
The SPV0000001899 clutch incorporates a diaphragm spring that is heat-treated to maintain consistent clamp load throughout its life. Unlike coil-spring clutches, this design does not suffer from spring fatigue or uneven pressure plate lift.
The pressure plate is centrifugally cast from high-carbon iron (G2500), which dissipates heat quickly and resists warping. Nine drive straps connect the pressure plate to the cover, allowing axial movement while transmitting torque with zero backlash.
The friction disc features a segmented lining with spiral grooves that channel away wear debris and improve cooling. The hub is forged from 45# steel with a hardened spline (HRC 45-50) for long spline life even with high-mileage vehicles.
The organic-metallic friction material of the SPV0000001899 contains aramid fibers, brass particles, and ceramic modifiers for high wear resistance and stable friction even when hot. Independent lab tests show wear rates of only 0.15 mm per 100,000 km under normal highway conditions.
The pressure plate friction surface is machined to a fine finish (Ra 1.6 μm) to accelerate break-in. The diaphragm spring fingers are induction-hardened to resist galling from the release bearing.
The SPV0000001899 clutch assembly is a direct bolt-on replacement for the original equipment clutch on SINOTRUK Homan trucks with 430mm flywheels. It matches the factory bolt pattern (6 M10 bolts at 108mm PCD).
The clutch disc spline fits the standard 10-tooth input shaft (48mm diameter, module 3) used in ZF 16S, Fast 12J, and HW19710 gearboxes. A centering tool is included to ensure perfect alignment during installation.
Proper installation of the SPV0000001899 is essential for maximum life. Follow these steps: 1) Remove the transmission and clean the flywheel surface completely. Remove any old oil, grease, or glazing.
2) Inspect the flywheel step height – should be 27.0-27.5 mm. Resurface or replace if out of spec. 3) Using the included centering tool, align the clutch disc with the flywheel. The disc’s “flywheel side” marking must face the engine.
4) Install the pressure plate bolts (6 x M10x1.5) and tighten in a star pattern to 60 Nm. Never use power tools – only a torque wrench. 5) Lightly grease the input shaft splines (use high-temperature grease, very thin layer).
6) Reinstall the transmission, ensuring the disc hub slides freely onto the splines. 7) Adjust the clutch pedal free play to 25-35 mm at the pedal pad. 8) Before loading the vehicle, perform 50-100 gentle clutch engagements to break in the friction surfaces.
The SPV0000001899 clutch requires no ongoing maintenance, but early detection of wear can prevent secondary damage. Common symptoms of a worn clutch: engine revs increase without vehicle acceleration (slippage), difficulty shifting into reverse or first gear, or a high engagement point near the top of pedal travel.
To check for clutch wear, perform a stall test: engage 6th gear, apply full throttle while releasing the clutch – the engine should stall immediately if the clutch grips properly. Any slip indicates a worn disc. Causes of premature failure: leaking engine rear main seal (oil contamination), aggressive riding of the clutch pedal, or a warped flywheel.
Always replace the release bearing and pilot bearing when installing a new clutch. SINOTRUK Homan provides a 12-month/100,000 km warranty against defects on this genuine component.
The SPV0000001899 clutch is manufactured in an IATF 16949 and ISO 14001 certified facility. Each clutch assembly is 100% tested for clamp load (using a calibrated press), diaphragm spring finger height, and dynamic balance (G6.3 standard).
Random samples from each production batch are subjected to a torque capacity test, a 500,000-cycle endurance test on a clutch dynamometer (SAE J1932), and a 300-hour salt spray test (ASTM B117) for corrosion resistance. The friction material is tested for fade according to SAE J661 and meets ECE R90 regulations for replacement parts.
A laser-etched batch code on the cover provides traceability. Counterfeit clutches often have inconsistent riveting, missing spring retainer clips, or soft diaphragms that lose clamp force quickly – always authenticate via the QR code on the packaging.
A Brazilian mining fleet operating 80 SINOTRUK HOWO dump trucks (payload 60 tons) replaced their original clutches with the SPV0000001899. Over 24 months, average clutch life increased from 6 months (aftermarket) to 18 months – a 200% improvement. The number of breakdowns due to clutch failure dropped by 85%.
In a European long-haul trial (Germany to Poland, 44-ton gross weight), 50 trucks equipped with SPV0000001899 clutches achieved an average of 480,000 km before reaching the wear limit, compared to 300,000 km for the previous brand. Drivers reported lighter pedal effort and less chatter during cold starts.
Each genuine SPV0000001899 clutch assembly is packed in a heavy-duty SINOTRUK Homan box with custom foam inserts. The kit includes the pressure plate, clutch disc, release bearing, pilot bearing, centering tool, and a QR-coded warranty certificate.
The pressure plate and disc have a holographic anti-tamper label with the OEM number. Scanning the QR code on the box leads to the official SINOTRUK Homan verification page, where you can register the product. Counterfeit kits often have rough castings, missing branding, and incorrect spring colors – avoid them.
Using a non-genuine clutch can lead to sudden diaphragm spring failure, disc delamination, or flywheel damage – none of which are covered under your truck’s warranty. Always purchase from authorized SINOTRUK Homan distributors.
Summary: The SINOTRUK Homan Clutch Assembly (OEM SPV0000001899) delivers superior torque capacity, smooth engagement, and long service life for heavy-duty trucks. Upgrade your drivetrain reliability with this genuine component – trusted by fleets and mechanics worldwide.
If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.
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