Rotary Drive Head

Assembly

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Hydraulically driven gearbox on the mast carriage delivering 100-450 kNm of torque to the kelly bar through a square output drive.

Direct parts	5
Total parts	23
Used in	1 assembly
Class	Assembly

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Hydraulically driven gearbox on the mast carriage delivering 100-450 kNm of torque to the kelly bar through a square output drive. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Rotary Drive Head parts and their functions

5 top-level parts · 23 parts in total · full bill of materials below

Rotary Drive Head parts diagram: 1 rotary head gearbox, 2 rotary head motor, 3 kelly drive sleeve, 4 head carriage, 5 torque reaction bracket. 23 parts in 5 top-level items. — Rotary Drive Head 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	Rotary Head Gearbox 5 parts	1×	Multi-stage reduction gearbox
2	Rotary Head Motor	4×	Drive motors
3	Kelly Drive Sleeve	1×	Square kelly drive sleeve
4	Head Carriage	1×	Mast-rail carriage
5	Torque Reaction Bracket	1×	Torque reaction bracket

3D model

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Build & assembly graph

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Bill of materials for Rotary Drive Head

5 top-level lines · 10 rows shown · 23 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Rotary Head Gearbox 5 parts	rotary-bored-piling-rig-head-gearbox	1×	1	16	assembly
1.1	Gearbox Housing	gearbox-housing	1×	1	·	part
1.2	Helical Gear Pair	gear-pair	4×	4	·	part
1.3	Ball Bearing	ball-bearing	6×	6	·	part
1.4	Oil Seal	oil-seal	4×	4	·	part
1.5	O-Ring Set	oring-set	1×	1	·	part
2	Rotary Head Motor	rotary-bored-piling-rig-head-hyd-motor	4×	4	·	part
3	Kelly Drive Sleeve	rotary-bored-piling-rig-kelly-drive-sleeve	1×	1	·	part
4	Head Carriage	rotary-bored-piling-rig-head-carriage	1×	1	·	part
5	Torque Reaction Bracket	rotary-bored-piling-rig-torque-bracket	1×	1	·	part

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Where the rotary drive head is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Construction & Earthmoving 1 Rotary Bored Piling Rig

Used in 1 assembly

Rotary Bored Piling Rig

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 $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks