Increased Capacity Oil Pan

Maisheng increased capacity oil pan provides effective engine lubrication optimization for heavy-duty working conditions. Expanded internal volume improves overall oil circulation efficiency and maintains stable oil pressure under intense operation. The optimized internal structure restrains oil sloshing, ensuring continuous and consistent oil supply. It effectively reduces engine lubrication failure risks, extends maintenance intervals, and enhances overall engine working stability for long-term commercial and industrial applications.

Product Specifications

More Steel Auto Bearing

Internal Oil Management and Material Grade

A formed steel sheet, typically deep drawn quality aluminum killed steel with a thickness between 1.2mm and 2.0mm, serves as the base substrate for the pan body. The increased depth and widened sump area are shaped progressively on a transfer press, which maintains uniform wall thickness and avoids localized thinning that could become a crack initiation point under vibration. Inside the pan, welded or bolted baffle plates and trap door arrangements direct oil toward the pickup point during braking, cornering and steep inclines. A windage tray integrated above the oil level reduces parasitic drag and limits foaming, helping the lubrication circuit deliver a continuous stream of bubble free oil to main and rod bearings. The outer surface receives a black electrophoretic coating or a chemical conversion film followed by a powder topcoat, depending on the operating environment, to guard against rust through road salt, construction site mud and standing water exposure.

Typical Applications

Increased capacity oil pans are commonly used in:

Heavy-duty trucks

Commercial vehicles

High-performance passenger cars

Racing vehicles

Off-road vehicles

Agricultural tractors

Construction machinery

Mining equipment

Industrial diesel engines

Marine engines

Verification Tests and Dimensional Consistency

A helium or air pressure leak down test is run on each completed pan assembly to confirm weld integrity and drain plug sealing before the part leaves the welding cell. Dimensional spot checks are carried out with a coordinate measuring machine on the first piece of every production batch, covering flange flatness, bolt hole positions and overall depth. Salt spray test coupons taken from the same coating lot must exceed 500 hours to red rust before the finish is approved for use. These inspection records are kept with the batch traceability number and can be shared upon request. The manufacturing site maintains IATF 16949 and ISO 9001 registration, with periodic audits covering process control, gage repeatability and corrective action loop closure.

Manufacturing Foundation and Customization Support

With a production history in automotive stampings and engine components that reaches back to 1999, the Ningbo facility now operates a dedicated line for deep drawn oil pans under a single roof exceeding 30,000 square meters. A combination of high tonnage mechanical presses, robotic welding stations and automated wash and coat lines allows a weekly output that can absorb both scheduled original equipment calls and short notice aftermarket demand. Customization routes include modifying sump capacity, relocating the drain boss, adding sensor ports and tailoring flange patterns to match non standard blocks. When a sample or technical drawing is provided, the engineering group returns a dimensional report and a prototype within an agreed timeline, accompanied by a full process capability study if the order moves to series production.

FAQ

Q:What benefits can an increased capacity oil pan bring to diesel and gasoline engines?

A: An increased capacity oil pan holds more engine oil. It stabilizes oil temperature and pressure under continuous heavy load, suppresses oil starvation during steep slopes or sharp cornering, slows oil aging and extends maintenance intervals.

Q:Which working conditions are suitable to upgrade to an increased capacity oil pan?

A: It is highly recommended for vehicles and equipment frequently running under heavy-duty use, including engineering machinery, commercial fleets, agricultural machinery and modified vehicles.

Q:Is this oil pan compatible with original engine mounting positions?

A: Our increased capacity oil pan retains the same mounting hole positions as standard versions, requiring no extra modification for most matching engine models during installation.