OEM 160102130003A017 Oil Pump Gear – Genuine SANY Engine Lubrication Drive

The genuine SANY parts reference 160102130003A017 is the oil pump drive gear, a critical component that transmits rotational power from the crankshaft to the engine oil pump. This gear ensures that pressurized oil circulates through all bearing surfaces, piston cooling jets, and valve train components, preventing metal-to-metal contact and catastrophic engine failure. The 160102130003A017 oil pump gear is precision hobbed from case-hardened alloy steel, featuring optimized tooth geometry for quiet operation and maximum torque transfer under all engine speeds.

Engineered to withstand continuous operation at engine speeds up to 2,500 rpm and oil temperatures up to 130°C, this gear drives the rotor-type oil pump that maintains critical oil pressure (typically 3.5-5.5 bar) throughout the engine. The 160102130003A017 gear is integrally mounted on the crankshaft or driven by the timing idler gear, depending on the specific SANY engine architecture. Each unit undergoes 100% tooth profile inspection, magnetic particle testing, and hardness verification to guarantee seamless integration with the oil pump rotor and engine timing system.

Oil Pump Gear

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Metallurgical Design of Oil Pump Gear 160102130003A017

The oil pump gear 160102130003A017 is manufactured from case-hardening alloy steel (SAE 8620 or equivalent), chosen for its excellent combination of core toughness and surface hardness. The gear blank is precision forged to near-net shape, then rough machined before being sent through a carburizing heat treatment. The carburizing process adds a carbon-rich case depth of 0.8-1.2 mm, which is then quenched and tempered to produce a surface hardness of 58-62 HRC while maintaining a core hardness of 30-38 HRC.

After heat treatment, the gear teeth are finish-hobbed on a CNC gear hobbing machine to achieve AGMA Class 9 tooth accuracy. The gear features involute spur teeth with a pressure angle of 20°, which provides smooth engagement and minimizes sliding friction. The tooth flanks are then precision ground to a surface finish of Ra ≤ 0.8 µm, ensuring low friction and extended wear life when meshing with the mating oil pump rotor gear.

The 160102130003A017 gear includes a precisely broached keyway or splined bore (depending on the engine variant) that locates it on the crankshaft or idler shaft. The bore is finish-ground to ISO H7 tolerance, providing a secure interference fit. All sharp edges are relieved to eliminate stress risers, and the gear is shot-peened to induce compressive residual stresses on the tooth roots, dramatically increasing fatigue strength. A light phosphate coating is applied to provide temporary corrosion protection.

Critical Applications & Machine Compatibility

The oil pump gear 160102130003A017 is an integral part of the SANY oil pump drive system and is used in a wide range of SANY heavy machinery. This includes SRT series dump trucks (SRT45, SRT55, SRT95, SRT115), wheel loaders (SW305, SW405, SW435, SW465), crawler excavators (SY215, SY335, SY395, SY500), and motor graders (SMG200, SMG220). The gear is also installed on SANY concrete pump trucks and crawler cranes equipped with SANY’s heavy-duty diesel engines.

In most SANY engine configurations, the 160102130003A017 gear is mounted directly on the crankshaft, positioned between the main bearing journal and the timing gear. The gear meshes with a mating gear on the oil pump rotor shaft, causing the oil pump to rotate at a fixed ratio relative to engine speed (typically pump speed = 0.75 to 1.5 times crankshaft speed). This ensures that oil pressure increases proportionally with engine RPM, delivering adequate flow to bearings and cooling jets at idle while maintaining safe peak pressure at high speed.

The gear is also used on SANY’s 6-cylinder and 4-cylinder engine families (D06, D09, D12 series). When replacing a failed oil pump gear, it is essential to also inspect the mating pump rotor gear and replace both as a set if any wear is detected. Using a genuine SANY gear ensures correct tooth profile, backlash, and hardness, preventing premature pump failure or oil pressure loss.

Technical Specifications – Oil Pump Gear 160102130003A017

Proper Installation of Oil Pump Gear 160102130003A017

When installing the oil pump gear 160102130003A017, begin by thoroughly cleaning the shaft (crankshaft or idler shaft) and the gear bore. Inspect the keyway or spline for burrs or damage. Apply a thin layer of engine oil to the shaft and to the gear bore. Align the key with the keyway and slide the gear onto the shaft. For interference fit applications, heat the gear evenly to 80-100°C using an induction heater or oil bath to expand the bore slightly, making installation easier without damaging the gear or shaft.

Never use a hammer directly on the gear teeth to drive it onto the shaft; use a suitable installation sleeve or a press. After the gear is fully seated against its shoulder, install the retaining bolt or snap ring as specified in the SANY workshop manual. Verify that the gear rotates freely without axial play. If the oil pump is being rebuilt, also install a new mating rotor gear and inspect the pump housing for wear.

After the gear is installed and the engine is assembled, prime the lubrication system before first start. This involves filling the oil filter housing with clean oil and using a pre-lubrication tool or cranking the engine with the fuel shut off until oil pressure registers on the gauge. Failure to prime the system can cause dry running of the oil pump gear and immediate scoring. After installation, run the engine at idle and check for any unusual noise from the timing cover area, which could indicate gear misalignment or incorrect backlash.

Quality Assurance & Full Traceability

Every oil pump gear 160102130003A017 is manufactured in an IATF 16949 certified facility under SANY’s strict quality controls. The production process includes raw material spectrographic analysis, in-process hardness testing (Rockwell HRC), 100% tooth profile inspection using a gear measuring machine, and magnetic particle inspection for surface cracks. A sample from each carburizing batch is sectioned for metallographic examination to verify case depth, microstructure, and core hardness.

Each gear is laser marked with the SANY logo, part number 160102130003A017, and a data matrix code encoding the production date, heat number, and inspection results. This traceability allows SANY to retrieve all quality records if a field issue arises. For bulk orders, a Certificate of Conformance (CoC) is provided, certifying that the gear meets all SANY OEM specifications. Independent third-party audits ensure continuous compliance with ISO 9001:2015 and IATF 16949 standards.

Proven Field Durability of Genuine SANY Oil Pump Gear

Field data from SANY service centers across mining and construction sites shows that genuine oil pump gears 160102130003A017 have an average service life exceeding 20,000 operating hours with no measurable tooth wear beyond 0.05 mm reduction in tooth thickness. In contrast, aftermarket gears often fail within 5,000-8,000 hours due to inadequate case depth, incorrect tooth profile, or pitting on the tooth flanks. The superior durability of the genuine gear is attributed to the precise carburizing, shot peening, and high-quality steel.

Fleet owners report that replacing worn oil pump gears with genuine SANY components restores oil pressure to factory specifications and eliminates low oil pressure warnings at idle. To maximize service life, it is recommended to replace the oil pump rotor gear simultaneously and to use only the recommended viscosity grade of engine oil (typically 15W-40 for SANY diesel engines). Investing in genuine SANY oil pump gears ensures reliable lubrication, extending main bearing and crankshaft life.