Doosan Forklift Transmission Clutch Housing A233098 D35S-2/D40S-2/D45S-2 BSX0005686

Doosan Forklift Transmission Clutch Housing A233098 — D35S-2/D40S-2/D45S-2, BSX0005686 Cross-Reference, 3.5-4.5 Ton Diesel

This is the Doosan forklift transmission clutch housing (part number A233098, cross-referenced to BSX0005686) for the Doosan D35S-2, D40S-2, and D45S-2 diesel forklifts covering the 3.5 to 4.5 ton capacity range — one of the most common Doosan forklift families in global material handling operations. The clutch housing is the cast structural component that bolts between the engine block and the transmission, enclosing the clutch assembly — in this case an automatic transmission with torque converter on the Doosan heavy forklift platform — and providing the rigid alignment between the engine crankshaft centerline and the transmission input shaft that determines clutch life and transmission bearing longevity. On the Doosan D-Series forklifts, the clutch housing also serves as the mounting point for the clutch actuation mechanism (release fork, hydraulic slave cylinder, or cable bracket) and provides the bell housing cavity that contains the ring gear, starter motor pinion engagement, and the flex plate or flywheel coupling to the torque converter. A cracked or warped clutch housing on a D45S-2 operating at its rated 4.5 tons under full load and maximum torque converter multiplication creates an angular misalignment between the engine and transmission that destroys the torque converter hub pilot bearing within hours, followed by the transmission front pump bushing and seal — a cascading failure that starts with a simple housing crack and ends with a transmission rebuild costing thousands of dollars more than the housing replacement would have cost.

Manufactured in China for Doosan OEM specification. New condition. Drums-handling equipment for forklifts classification, transmission clutch housing parts type. Part number A233098, cross-referenced to BSX0005686. Fits Doosan D35S-2, D40S-2, and D45S-2 diesel forklifts. When replacing this housing, verify the housing-to-engine alignment dowel pins are present, undamaged, and correctly seated in both the engine block and the housing — the dowels provide the precise alignment; the bolts only provide clamping force. Missing dowels must be replaced before installation. Check all bolt holes for elongation — oval holes indicate the housing has been operating with loose bolts and cannot be aligned correctly even with new hardware. Inspect the housing flange faces for flatness using a machinist’s straightedge — a warped flange from overheating will not seal correctly and can crack when the bolts are torqued to specification. Always replace the pilot bearing or torque converter hub bushing when replacing the clutch housing — the labor to access these components is identical, and a worn bearing will damage the new housing’s pilot bore. Torque all bolts in a cross-pattern sequence to the Doosan factory specification.

Compatible with Doosan D35S-2, D40S-2, and D45S-2 diesel forklifts. Cross-reference: BSX0005686. Browse our clutch housing selection for D50C-2. Visit Doosan Forklift official website.

Technical Specifications

Compatible Models

Cross-ref: BSX0005686. 3 models covered. Confirm your Doosan model →