Wheel Drive Unit

Assembly

The tire wheel of Volvo XC60 D4 Classic (LDA-DD4204TXC).jpg · Commons ↗ Report photo

Motor and planetary reducer turning the wheel at 4–10 rpm, with a fluid coupling or torque limiter protecting against boulder jams.

Direct parts	5
Total parts	27
Used in	1 assembly
Class	Assembly

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Motor and planetary reducer turning the wheel at 4–10 rpm, with a fluid coupling or torque limiter protecting against boulder jams. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Wheel Drive Unit parts and their functions

5 top-level parts · 27 parts in total · full bill of materials below

Wheel Drive Unit parts diagram: 1 stator assembly, 2 rotor assembly, 3 gearbox housing, 4 helical gear pair, 5 torque limiter. 27 parts in 5 top-level items. — Wheel Drive Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Stator Assembly 3 parts	1×	Drive motor stator
2	Rotor Assembly 4 parts	1×	Drive motor rotor
3	Gearbox Housing	1×	Rigid cast housing that holds the gears and bearings in alignment, contains the lubricant, and mounts the gearbox to the machine.
4	Helical Gear Pair	3×	Planetary stages
5	Torque Limiter	1×	Hydraulic coupling or shear element that slips when a bucket digs an unbreakable obstruction, protecting the gear train.

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Build & assembly graph

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Bill of materials for Wheel Drive Unit

5 top-level lines · 12 rows shown · 27 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Stator Assembly 3 parts	stator-assembly	1×	1	3	assembly
1.1	Stator Core (laminations)	stator-core	1×	1	·	part
1.2	Copper Winding	copper-winding	1×	1	·	part
1.3	Slot Insulation	stator-insulation	1×	1	·	part
2	Rotor Assembly 4 parts	rotor-assembly	1×	1	19	assembly
2.1	Rotor Shaft	rotor-shaft	1×	1	·	part
2.2	Rotor Core	rotor-core	1×	1	·	part
2.3	Neodymium Magnet	neodymium-magnet	16×	16	·	part
2.4	Ball Bearing	ball-bearing	1×	1	·	part
3	Gearbox Housing	gearbox-housing	1×	1	·	part
4	Helical Gear Pair	gear-pair	3×	3	·	part
5	Torque Limiter	stacker-reclaimer-torque-limiter	1×	1	·	part

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Used in 1 assembly

Bucket Wheel

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $10–$400. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳MRF mrftyres.com ↗	Chennai, IN	Tyres	500 pcs	4–8 wks
🇮🇳Apollo Tyres apollotyres.com ↗	Gurugram, IN	Tyres	500 pcs	4–8 wks
🇨🇳Linglong Tire linglong.cn ↗	Zhaoyuan, CN	Tyres	500 pcs	4–8 wks
🇮🇳CEAT ceat.com ↗	Mumbai, IN	Tyres	500 pcs	4–8 wks
🇨🇳Sailun sailungroup.com ↗	Qingdao, CN	Tyres	500 pcs	4–8 wks