Forklift Parts 24462-52100G Hydraulic Transmission Forklift Transmission Gearbox

Forklift Hydraulic Transmission Gearbox — Torque Converter Power Shift Unit (OEM 24462-52100G)

The 24462-52100G is a pure hydraulic transmission unit — not to be confused with the mechanical-hydraulic hybrid gearbox (14432-50001) designed for heavier 2.5-5T machines. The core design difference is in the power coupling method: this unit uses a torque converter for fluid-coupled power transfer, which eliminates the mechanical clutch entirely. This means no clutch pedal, no clutch disc wear, and dramatically smoother takeoff — ideal for the 1.5-3 ton forklift class where frequent stop-start duty cycles are common in warehouse and loading dock environments. The electro-hydraulic shift control system enables push-button forward/reverse selection, a significant ergonomic upgrade over mechanical lever shifting. This assembly is specifically engineered for Heli and Hangcha “new-style” 1-3 ton internal combustion forklifts and is NOT cross-compatible with the 14432-50001 gearbox or with electric forklift drive systems.

The torque converter in this 24462-52100G is pre-filled with transmission fluid from the factory — do NOT drain and refill before installation unless you detect contamination. Using the wrong ATF specification is the most common installation error: this unit requires Dexron III or equivalent hydraulic transmission fluid, not gear oil. Filling with gear oil will cause immediate torque converter cavitation and complete loss of drive within the first hour of operation. The electro-hydraulic control valve solenoid connectors are polarity-sensitive; reversing the wiring will cause the transmission to default to neutral regardless of shift lever position. During break-in, expect slightly delayed 1-2 shift engagement for the first 5-10 operating hours — this is normal as the shift valve accumulator charges. Common failure indicators specific to this unit include: torque converter shudder during acceleration (stator one-way clutch failure), transmission slipping in forward but not reverse (forward clutch pack wear), and erratic shifting accompanied by transmission warning light (electro-hydraulic solenoid contamination).

The 24462-52100G fits Heli CPCD15-CPCD30 and Hangcha CPCD15-CPCD30 new-style forklifts equipped with the electro-hydraulic shift system. Always verify your transmission tag part number before ordering — early production models used a different control module that is not backward-compatible. For related drivetrain components including clutch packs, shift solenoids, and torque converter seals, visit our Forklift Mechanic Transmission Parts collection. For OEM technical reference specifications, consult the Heli Official Website.

Technical Specifications

• OEM Part Number: 24462-52100G
• Transmission Type: Hydraulic Torque Converter + Power Shift
• Control System: Electro-Hydraulic (Push-Button F/R Selection)
• Suitable Forklift Class: 1.5T — 3T Internal Combustion Forklifts
• Required Fluid: Dexron III ATF (Not Gear Oil)
• Shell Material: High-Strength Alloy Steel / Stainless Steel Internals

Compatible Forklift Models

Each transmission assembly undergoes full bench testing before shipment, is packed in a reinforced export-grade plywood case, and ships within 1-2 business days. We provide a 12-month warranty against manufacturing defects. For bulk pricing or custom transmission requirements, contact our sales team. Browse our full Forklift Mechanic Transmission Parts catalog for complete drivetrain solutions.