HWH Corporation
(On I-80, Exit 267 South)
2096 Moscow Road
Moscow, Iowa 52760

Phone: (563)724-3396 or (800)321-3494
Fax: (563)724-3408

Business Hours: 8 a.m. - 5 p.m. Central Time (M-F)

The World's Largest Manufacturer
of RV Leveling & Room Extension Systems
LPD Trailers/King of the Road System Diagrams


THESE DIAGRAMS ARE SPECIFIC TO SYSTEMS ON PARTICULAR VEHICLES.  TO FIND DIAGRAMS SPECIFIC TO A VEHICLE, THE SYSTEM OR INDIVIDUAL PART NUMBERS MUST MATCH THE EQUIPMENT ON THE VEHICLE.

GENERIC DIAGRAMS MAY BE AVAILABLE.  REFER TO "GENERIC SYSTEM DIAGRAMS" ON THE PREVIOUS PAGE.

BECAUSE THERE CAN BE CHANGES TO SYSTEM COMPONENTS, DRAWINGS LISTED HERE MAY DIFFER FROM EXISTING EQUIPMENT ON A PARTICULAR VEHICLE.  IF NECESSARY, CONTACT HWH CORPORATION FOR ASSISTANCE. 

LEGEND:  

SA------------Power Extend/Spring Retract Jacks             

 

System #                            System Description                                         Hyd. Diagrams        Elect. Diagrams

AP52278         2K Leveling FW HP 4-DA Jacks                                            MP70644                MP90891A-E
                        2-AP43900 16,000 DA Jacks
                        2-AP45129 16,000 DA Jacks
                        1-AP46783 Power Unit HP

AP53143         2K Leveling HP DA ReM 4-USO slide-outs                           MP70821A-E          MP91071A-F
                        1-AP47979 Power Control with AP48090 Power Unit
                        2-AP45129 16,000 Jack DA
                        2-AP43838 24,000 Jack DA 
                       
3-AP44230 USO Kits w/AP38251 & AP38252 Mechanisms
                        1-AP53919 USO Kits w/AP53944 & AP53945 Mechanisms

Truck #1          Room Control System 3-Function                                           MP70873A-B          MP91132A-C
                        1-AP53482 Power Unit HP
                        1-AP54510 USO Kit w/AP38251 & AP38252 Mechanisms
                        1-AP54511 USO Kit w/AP39847 & AP39848 Mechanisms 
                       
1-AP46179 Step Cover Cylinder

Truck #2          Room Control System 2-Function                                           MP70874                 MP91133A-B
                        1-AP53482 Power Unit HP
                        1-AP54510 USO Kit w/AP38251 & AP38252 Mechanisms
                        1-AP46179 Step Cover Cylinder