Ramp & Door System

Assembly

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Hydraulically operated stern ramp and watertight bow door with hinges, cylinders and interlocks for roll-on/roll-off loading.

Direct parts	9
Total parts	50
Used in	1 assembly
Class	Assembly

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Hydraulically operated stern ramp and watertight bow door with hinges, cylinders and interlocks for roll-on/roll-off loading. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Ramp & Door System parts and their functions

9 top-level parts · 50 parts in total · full bill of materials below

Ramp & Door System parts diagram: 1 stern ramp, 2 bow ramp, 3 watertight bow door, 4 ramp hinge, 5 ramp hydraulic cylinder, 6 hydraulic power unit, 7 ramp bumper, 8 ramp interlock, 9 ramp control panel. 50 parts in 9 top-level items. — Ramp & Door System 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	Stern Ramp	1×	Steel ramp lowered at the stern bridging vessel to quay for vehicle drive-off.
2	Bow Ramp	1×	Internal hinged ramp behind the bow door allowing drive-through loading at the forward end.
3	Watertight Bow Door	1×	Sealed outer door clamping shut at the bow to keep the car deck dry at sea.
4	Ramp Hinge	6×	Heavy pivot pin and bearing carrying ramp weight through its travel arc.
5	Ramp Hydraulic Cylinder	4×	double-acting
6	Hydraulic Power Unit 6 parts	1×	Electric-driven pump, reservoir and valves supplying pressure to ramp and door cylinders.
7	Ramp Bumper	4×	Elastomeric pad on the ramp tip cushioning contact with the quay.
8	Ramp Interlock	2×	Limit switch chain preventing sailing until the ramp and door are stowed and secured.
9	Ramp Control Panel	1×	Operator station with pushbuttons and indicators sequencing ramp and door movement.

3D model

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Build & assembly graph

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Bill of materials for Ramp & Door System

9 top-level lines · 19 rows shown · 50 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Stern Ramp	car-ferry-stern-ramp	1×	1	·	part
2	Bow Ramp	car-ferry-bow-ramp	1×	1	·	part
3	Watertight Bow Door	car-ferry-watertight-door	1×	1	·	part
4	Ramp Hinge	car-ferry-ramp-hinge	6×	6	·	part
5	Ramp Hydraulic Cylinder	car-ferry-ramp-cylinder	4×	4	·	part
6	Hydraulic Power Unit 6 parts	car-ferry-hydraulic-power-unit	1×	1	30	assembly
6.1	Hydraulic Pump	car-ferry-hydraulic-pump	1×	1	·	part
6.2	Hydraulic Reservoir	car-ferry-hydraulic-reservoir	1×	1	·	part
6.3	Hydraulic Valve Block	car-ferry-hydraulic-valve-block	1×	1	·	part
6.4	Servo Motor 4 parts	servo-motor	1×	1	24	assembly
6.4.1	Stator Assembly 3 parts + deeper ›	stator-assembly	1×	1	3	assembly
6.4.2	Rotor Assembly 4 parts + deeper ›	rotor-assembly	1×	1	19	assembly
6.4.3	Encoder	encoder	1×	1	·	part
6.4.4	Motor Housing	motor-housing	1×	1	·	part
6.5	Pressure Sensor	pressure-sensor	2×	2	·	part
6.6	O-Ring Set	oring-set	1×	1	·	part
7	Ramp Bumper	car-ferry-ramp-bumper	4×	4	·	part
8	Ramp Interlock	car-ferry-ramp-interlock	2×	2	·	part
9	Ramp Control Panel	car-ferry-ramp-control-panel	1×	1	·	part

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Where the ramp & door system is used

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

Marine 1 Car Ferry

Used in 1 assembly

Car Ferry

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