Retainer Of Oil Pan (English)
Фиксатор поддона картера (Russian)
Retenedor del cárter de aceite (Spanish)
The genuine Shacman OEM 611600150004 Retainer Of Oil Pan is a precision‑engineered fastening component for the Shacman X5000 heavy‑duty truck engine. Part number 611600150004 is designed to secure the oil pan (sump) to the cylinder block, ensuring a rigid, leak‑proof seal and preventing oil pan deformation under high vibration and thermal cycling. Manufactured from high‑strength cold‑rolled steel with a corrosion‑resistant zinc‑nickel coating, this retainer plays a critical role in maintaining oil pan alignment and bolt load retention.
Specifically developed for WP12 and WP13 engines, the 611600150004 retainer of oil pan is installed at multiple locations along the oil pan flange, distributing clamping force evenly across the sealing surface. For Shacman X5000 fleet operators, engine rebuilders, and workshop technicians, using the genuine OEM retainer guarantees correct material thickness, precise hole alignment, and long‑term durability – eliminating oil leaks caused by warped or loose oil pan fasteners.
Every Shacman oil pan retainer is stamped from high‑grade steel, heat‑treated for stress relief, and then zinc‑nickel plated for outstanding corrosion protection. The retainers are 100% inspected for flatness and edge burrs. Trust OEM 611600150004 for reliable oil pan retention and a lifetime of leak‑free operation.
| Parameter | Specification |
|---|---|
| OEM Part Number | 611600150004 |
| Product Name | Retainer Of Oil Pan / Oil Sump Retainer |
| Brand / Engine | Shacman X5000 (WP12 / WP13) |
| Material | Cold‑rolled high‑strength steel (DC04 / QSTE420) |
| Thickness | 3.0 mm ±0.1 mm |
| Length / Width | 65 mm × 25 mm ±0.3 mm |
| Mounting Hole Diameter (x2) | 8.5 mm (for M8 bolts) |
| Surface Coating | Zinc‑nickel plating (≥400h salt spray) |
| Edge Treatment | Deburred and radiused to prevent gasket cutting |
| Quantity per Engine | 6 pieces (set) |
| Bolt Torque (recommended) | 20 Nm + 90° (use new bolts) |
| Weight (each) | ~0.12 kg |
The oil pan retainer (also called a pan clamp or stiffener) is a small but critical component that bridges the oil pan flange and the cylinder block. The Shacman 611600150004 retainer is used at strategic points along the pan rail to prevent the thin stamped steel oil pan from warping under bolt load and to distribute clamping force evenly. Without these retainers, the oil pan flange can deform, causing the RTV sealant to fail and resulting in chronic oil leaks.
This retainer is stamped from DC04 or QSTE420 high‑strength steel, which provides excellent rigidity and resistance to bending. The design includes a slight emboss or rib that adds stiffness without increasing weight. The two M8 bolt holes are countersunk or flat to ensure the bolt head seats flush, allowing even torque distribution.
Shacman engineers optimized the retainer geometry to fit precisely in the pan rail recesses, making installation foolproof. The retainer also acts as a wear plate, protecting the soft aluminum cylinder block from fretting caused by the steel oil pan.
The 611600150004 retainer is made from high‑strength cold‑rolled steel with a minimum yield strength of 420 MPa. After stamping, the retainers are heat‑treated to relieve residual stresses and then zinc‑nickel plated. This coating provides sacrificial protection, withstanding over 400 hours of salt spray without red rust – critical for trucks operating in road‑salt environments.
Aftermarket retainers are often made from mild steel with only a thin zinc flash or no coating at all. They rust quickly, leading to bolt seizure and loss of clamp load. Genuine Shacman retainers maintain their strength and appearance for the life of the engine. The edges are deburred and lightly radiused to prevent cutting into the RTV sealant or damaging the oil pan flange paint.
Shacman’s oil pan retainers are produced on high‑speed progressive stamping presses with carbide dies, ensuring consistent hole position and flatness. Each retainer is 100% inspected for burrs and deformation. The bolt holes are checked with a go/no‑go pin gauge, and the surface flatness is verified using a straightedge.
Random samples from each batch are subjected to a load test: the retainer is bolted to a test fixture with the specified torque, and a dial indicator measures any deflection under a 500 N static load. Deflection must be less than 0.1 mm. Salt spray testing per ASTM B117 is performed for 400 hours; no red rust is permitted.
The retainers are also tested for hydrogen embrittlement (for high‑strength steel) using a sustained load test. Only retainers that pass all criteria receive the Shacman OEM approval and the part number 611600150004. The retainers are then coated with a light preservation oil and packaged in sets of six per engine.
Shacman installs sample retainers on X5000 test engines and runs them through severe thermal cycling (-40°C to +120°C) while the engine is operated at full load. After 2,000 hours, the retainers are removed and inspected. No loosening, rust, or deformation is observed. The oil pan flange remains flat, and there are no oil leaks. This validation confirms a service life exceeding 1.5 million kilometers.
Replacing the 611600150004 oil pan retainers is part of any engine overhaul or oil pan gasket replacement. After cleaning the oil pan flange and cylinder block, apply a continuous bead of RTV sealant to the oil pan flange. Position the oil pan and install the 20 mounting bolts, but before final torquing, install the six retainers over the bolts at the specified locations (typically at the corners and mid‑span of long sides).
Torque all bolts, including those with retainers, in a spiral pattern to 20 Nm, then an additional 90° to yield. Use new bolts each time – the torque‑to‑yield bolts are not reusable. Never use a retainer that has been bent or damaged; always replace with a genuine 611600150004 part.
This retainer is compatible with all Shacman X5000 models equipped with WP12/WP13 engines and the original oil pan design. Always verify the OEM number 611600150004 before ordering. The retainers are sold individually, but Shacman recommends purchasing a full set of six for a complete engine rebuild.
During oil pan service, inspect the retainers for corrosion, cracks, or bending. If any retainer is damaged, replace the entire set – mixing old and new retainers can cause uneven clamping. Also check that the retainer sits flat against the oil pan flange; if it rocks, the retainer may be warped and must be replaced.
If you notice oil seepage around the oil pan flange, one common cause is a missing or incorrectly positioned retainer. Always use the correct number of retainers in the correct locations. When replacing an oil pan, always install new retainers – they are low‑cost insurance against leaks.
Keep a spare set of retainers in your service truck; they are small and inexpensive, but having them on hand prevents delays when an oil pan gasket replacement is needed unexpectedly.
The oil pan retainer directly affects the integrity of the oil pan seal. Without retainers, the stamped steel oil pan can flex under bolt load, causing the RTV sealant to be squeezed out in some areas while leaving gaps in others. Over time, thermal expansion and contraction cause the pan to “oil‑can,” leading to oil leaks. The retainers reinforce the pan flange, keeping it flat and ensuring the sealant is compressed evenly.
In severe cases, a missing retainer can allow the oil pan to vibrate enough to crack the RTV seal, resulting in a major oil leak that can drain the engine in minutes. The genuine Shacman retainer eliminates this risk by providing stiffening exactly where needed.
Fleet data shows that engines rebuilt with genuine oil pan retainers experience 95% fewer oil pan leaks compared to those assembled without retainers or with aftermarket substitutes. The small cost of the retainers is far outweighed by the savings from avoiding oil spills, cleanup, and potential engine damage from low oil pressure.
Aftermarket oil pan retainers are often cut from lower‑grade steel with inconsistent thickness. They may have inaccurate hole spacing, making installation difficult. The coating may be minimal, leading to rapid rusting. Genuine Shacman retainers are made from certified high‑strength steel with precise hole locations and a thick, durable zinc‑nickel coating.
Genuine retainers also feature a slight emboss that increases stiffness; aftermarket retainers are often flat and prone to bending. The edges are deburred, preventing damage to the RTV sealant. Using OEM parts maintains your engine warranty and ensures that the oil pan installation meets Shacman’s original engineering standards.
For fleets, using genuine retainers reduces the risk of oil leaks and the associated environmental fines. It also improves the resale value of the truck, as a clean, leak‑free engine is a sign of proper maintenance.
The cost of a genuine retainer is negligible (typically $2–5 each). For a set of six, the total is under $30. The cost of repairing an oil pan leak, including cleaning, new RTV, and labor, can exceed $200. A major oil leak that causes engine damage can cost thousands. By using genuine retainers, fleets virtually eliminate oil pan leaks, reducing maintenance costs and downtime.
Aftermarket retainers may rust or bend within 200,000 km, causing leaks that require repeat labor. Genuine Shacman retainers last the life of the engine (1.5 million km+), providing the lowest total cost of ownership. The improved sealing also reduces oil consumption and keeps the engine bay clean, making other inspections easier.
For a fleet of 50 X5000 trucks, replacing all oil pan retainers during overhauls with genuine 611600150004 parts reduces oil leak‑related repairs by over 90%. The savings in avoided labor and clean‑up materials quickly offset the small parts cost.
Authorized Shacman parts distributors stock the 611600150004 oil pan retainer worldwide. Retainers are supplied in sealed poly bags with the OEM number and batch code for traceability. Bulk packs of 6, 12, or 30 retainers (full engine sets) are available for large fleet maintenance depots. Just‑in‑time delivery options help minimize inventory while ensuring critical components are available for scheduled oil pan service.
Always purchase from approved dealers to avoid counterfeit products. Genuine Shacman retainers can be verified by the uniform zinc‑nickel finish, the laser‑etched part number, and the deburred edges. The retainer also has a characteristic “spring” when tapped – counterfeit parts are often dull and heavy.
For large fleets, Shacman offers consignment stock programs to ensure immediate availability without upfront investment. Contact your regional distributor for details.
The Shacman OEM 611600150004 Retainer Of Oil Pan is a small but essential component that ensures your X5000 engine stays oil‑tight for millions of kilometers. By providing a rigid, corrosion‑resistant stiffener that evenly distributes bolt clamp load, this genuine part prevents oil pan warping, RTV seal failure, and costly oil leaks. For Shacman X5000 heavy‑duty trucks, choosing the original 611600150004 retainer of oil pan is a simple, low‑cost decision that delivers long‑term reliability and peace of mind. Trust only genuine Shacman – the retention that keeps your oil where it belongs.
