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
Stuarts Service Operator Manuals


System Diagrams

ML42748 - Hydraulic Landing Gear System featuring Hydraulic Switches and Auxiliary Hand Pump, Two or Four Double-Acting Jacks or Two Double-Acting Jacks and Two Single Acting Jacks with Return Springs
Optional Leveleze Light Package

ML43031 - 2000 Series Leveling System for Trailers featuring Touch Panel Leveling Control, BI-AXIS Hydraulic Leveling, Double-Acting Front Jacks, Single-Acting Rear Jacks, or 4 Double-Acting Jacks, Auxiliary Hand Pump

ML43086 - Hydraulic Landing Gear System featuring Auxiliary Hand Pump and Two Double-Acting Jacks

ML43088 - Hydraulic Landing Gear System featuring Hydraulic Switches with Hand Pump, Two Double-Acting Jacks or Two Double-Acting Jacks and Two Single-Acting Jacks

ML50857 - 2000 Series, computer controlled Hydraulic Leveling, (4) Straight-Acting (Power-Extend/Power-Retract) Jacks, (1) Single Cylinder "Guided" Slide-Out, (1) Dual Cylinder "In-Floor" Slide-Out, Swivel Manual/Hand Pump Back-Up, Suspension Air Dump