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Motorhome (Class A RV)

Product

Overview

A Class A motorhome is a self-contained home on wheels built on a heavy purpose-made chassis rather than an adapted truck. The flat-fronted coach body sits over the full width of the frame, giving an interior tall and wide enough to walk through, with slide-out rooms that telescope outward when parked to widen the living space. Unlike a towable trailer, it carries its own engine, drivetrain, and driver station up front, and unlike a camper van it brings full house systems: water, propane, climate control, and independent electrical generation. The diesel-pusher layout places the engine at the rear, which keeps the cabin quiet and frees the front for a large windshield and a lounge.

How it works

The coach drives on a Motorhome Chassis of deep steel rails carrying full water and fuel loads. The rear-mounted Diesel Engine, a turbocharged inline-six, sends torque forward through the Transmission to the Drive Axle and its dual rear wheels. The Air Suspension uses air-bag springs and ride-height valves to hold the coach level whether it is empty or fully loaded, and the Air Brakes clamp disc brakes at every wheel from compressed air.

Parked, the rig becomes a residence. The Coach Body opens its slide-outs to reveal the Interior, with captain's chairs, a convertible dinette, a bed, a galley, and a wet bath. The Water System feeds fresh water from an onboard tank through an electric pump and a water heater, and collects waste in grey and black holding tanks. The Propane System supplies the cooktop, fridge, and furnace, while the HVAC heats with a forced-air furnace and cools with roof-top air conditioners. Off-grid power comes from the Power System: a house battery bank, an inverter/charger, and a genset. Hydraulic Leveling System jacks level and steady the coach on uneven ground.

Bill of materials for Motorhome (Class A RV)

15 top-level lines as of r111371
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Motorhome Chassis 4 parts motorhome-rv-chassis 1× 1 0 assembly
2 Diesel Engine 9 parts motorhome-rv-diesel-engine 1× 1 0 assembly
3 Transmission 6 parts motorhome-rv-transmission 1× 1 0 assembly
4 Drive Axle 6 parts motorhome-rv-drive-axle 1× 1 0 assembly
5 Air Suspension 4 parts motorhome-rv-air-suspension 1× 1 0 assembly
6 Air Brakes 5 parts motorhome-rv-air-brakes 1× 1 0 assembly
7 Wheel Assembly 5 parts wheel-assembly 6× 6 0 assembly
8 Coach Body 7 parts motorhome-rv-coach-body 1× 1 0 assembly
9 Interior 5 parts motorhome-rv-interior 1× 1 0 assembly
10 Water System 5 parts motorhome-rv-water-system 1× 1 0 assembly
11 Propane System 3 parts motorhome-rv-propane-system 1× 1 0 assembly
12 HVAC 4 parts motorhome-rv-hvac 1× 1 0 assembly
13 Power System 4 parts motorhome-rv-power-system 1× 1 0 assembly
14 Driver Dash 3 parts motorhome-rv-dash 1× 1 0 assembly
15 Leveling System 3 parts motorhome-rv-leveling-system 1× 1 0 assembly

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