SANY 160102130003A039 Idler Gear Assembly – Precision Timing Synchronization

PART NO.:
160102130003A039
Part Name:
Idler Gear Assembly
Russian Name:
Узел холостой шестерни
Spanish Name:
Conjunto de engranaje loco

OEM: 160102130003A039

The heavy-duty SANY parts reference 160102130003A039 corresponds to the genuine Idler Gear Assembly – a critical timing synchronization component used in SANY truck engines and heavy-duty powertrains. This idle gear assembly maintains precise alignment between driving and driven gears, ensuring smooth power transmission and accurate valve timing. With OEM number 160102130003A039, this replacement part guarantees exact fitment and factory-grade durability.

Manufactured from high-strength alloy steel with precision-ground teeth, the 160102130003A039 idler gear assembly minimizes backlash and vibration while maximizing power transfer efficiency. Each unit undergoes strict quality control, including hardness verification and dimensional accuracy checks, to meet SANY original equipment standards. Whether you are rebuilding a SANY truck engine or replacing worn timing gear train components, this assembly delivers unmatched operational reliability.

Idler Gear Assembly - English
Idler Gear Assembly
Сборка промежуточной шестерни
Сборка, промежуточная шестерня
Conjunto de Engranaje Locomotor
Conjunto, Engranaje Locomotor

160102130003A039 Idler Gear Assembly – Precision Engineered for Heavy Duty

The idler gear assembly 160102130003A039 is a core component within SANY's Gear Drive Group system. It serves as an intermediate gear mechanism that maintains precise alignment between the camshaft timing gear and the crankshaft drive gear. This ensures accurate valve timing and optimal combustion efficiency in SANY truck engines. The 160102130003A039 assembly is manufactured from premium carburized alloy steel, with teeth induction-hardened to HRC 58–62 for maximum wear resistance. Each gear is profile-ground to DIN 3962 quality grade 6–7, ensuring minimal transmission error and reduced operational noise.

Designed to withstand high torque loads and repetitive stress cycles, the 160102130003A039 idler gear assembly operates flawlessly across a wide temperature range from -40°C to 150°C. Its integrated bushing provides superior bearing support and reduces friction between rotating components. Thousands of fleet operating hours have proven that the 160102130003A039 idler gear assembly significantly reduces valve train wear and extends overall engine service intervals.

42CrMo4
Material Grade
2.35 kg
Assembly Weight
DIN 6
Gear Quality
IATF 16949
Quality Standard

Technical Specifications – OEM 160102130003A039 Idler Gear Assembly

ParameterValue / Description
OEM Number160102130003A039
Product NameIdler Gear Assembly
BrandSANY (Genuine OEM)
MaterialCarburized alloy steel (42CrMo4 + CHT)
Tooth Hardness58 – 62 HRC (case depth 0.6 – 0.9 mm)
Gear Quality GradeDIN 3962 Quality Grade 6 – 7
Number of Teeth52 (drive side)
Module3.0 mm
Pressure Angle20°
Face Width38.0 mm ±0.1 mm
Bore Diameter45.00 mm H7 (45.000 – 45.025 mm)
Bushing TypePrecision bronze bushing (press-fit)
Axial Thrust Clearance0.10 – 0.25 mm
Applicable ModelsSANY SKT90S, SKT105S, SKT130S dump trucks; SY series excavators
Engine CompatibilitySANY D12, D13, D15 diesel engine series
Surface TreatmentManganese phosphate + anti-rust oil

Key Engineering Advantages – 160102130003A039 Idler Gear Assembly

  • Precision-ground tooth profiles for zero backlash operation
  • Induction-hardened gear teeth resist pitting and wear
  • Precision bronze bushing ensures low-friction rotation
  • Drop-in replacement for original SANY part number
  • Full traceability with batch number and material certification
  • Shot-peened gear surfaces eliminate micro-cracks
  • Magnetic particle inspected – zero defect guarantee
  • Extends engine valve train life by reducing timing variations

Equipment Compatibility & Vehicle Applications

The genuine Idler Gear Assembly (OEM 160102130003A039) is widely used in SANY SKT90S, SKT105S, and SKT130S heavy-duty dump trucks. It also fits SANY SY215, SY335, SY365, and SY485 excavator models that utilize the same gear drive group architecture.

Beyond SANY machinery, the 160102130003A039 idler gear assembly serves in camshaft timing systems where precise gear synchronization is required. The assembly integrates with the SANY Gear Drive Group, which includes the Camshaft Timing Gear (Part No. 160102130003A040), Block Thrust (Part No. 169900000083A), Shaft Idler Gear (Part No. 169900000084A), and Hexagon Bolts for secure fastening.

Fleet data shows that replacing worn idler gear assemblies with genuine 160102130003A039 components reduces engine timing errors by up to 40% and improves fuel economy by 3–5%. Heavy equipment operators worldwide rely on this assembly to maintain precise valve timing and prevent costly camshaft failures.

SANY SKT Dump Trucks SANY SY Excavators Engine Timing Systems Gear Drive Groups

Installation & Maintenance Guide for 160102130003A039

Proper installation of the 160102130003A039 idler gear assembly is essential for maximizing engine longevity. Before installation, thoroughly clean the mounting bore and inspect the idler shaft (Part No. 169900000084A) for any signs of scoring or wear. Apply a light coat of engine oil to the bushing surface to ensure proper initial lubrication.

Position the assembly onto the idler shaft, ensuring that the thrust block (Part No. 169900000083A) is correctly oriented. Secure the assembly using the specified hexagon bolts (Part No. 169900000082A) torqued to 80 Nm ± 5 Nm in a star pattern. After tightening, manually rotate the gear to confirm smooth rotation without binding.

Routine inspection intervals of 3,000 operating hours are recommended. Check for abnormal gear noise, excessive backlash, or signs of tooth pitting. Replace the 160102130003A039 assembly if any tooth wear exceeds 0.15 mm or if bushing clearance surpasses 0.30 mm. Always replace the thrust block and bolts together with the idler gear assembly to maintain correct axial positioning.

Always verify the part number 160102130003A039 laser-engraved on the gear hub. Authentic SANY components feature batch traceability codes and green anti-rust coating.

Quality Assurance – SANY Genuine 160102130003A039

Every Idler Gear Assembly (OEM 160102130003A039) is produced in SANY's IATF 16949 certified facilities. Each batch undergoes 100% dimensional inspection using CMM technology, followed by magnetic particle crack detection and hardness verification across multiple tooth locations. Material certificates are fully traceable to original steel mill heat numbers, providing complete transparency for fleet maintenance contracts.

Durability validation testing has proven that the 160102130003A039 idler gear assembly withstands over 15 million torque cycles without tooth fatigue or bushing failure. This superior reliability eliminates unexpected downtime caused by timing gear train failures. Choose genuine SANY components to protect your engine investment and maintain factory timing specifications.


Global stock availability – ready for immediate dispatch. Each 160102130003A039 assembly is individually packed in corrosion-inhibiting VCI packaging with a certificate of conformance. Upgrade your heavy machinery with precision power transmission solutions from SANY.

Online Catalog of SANY Parts

Learn More

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.

Latest SANY Industry News

View All News

Request A Quote