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

Leveling & Landing Gear Systems

Fast-Find Index (Click to jump ahead.)

0001    Hand/Electric Pump Systems

0225    225 Series, Joystick-Controlled Systems

0625    625 Series, Computer Controlled Systems

0725    725 Series, Computer Controlled Systems

2000    2000 Series, Computer-Controlled Systems

 

General Leveling System Information:

* General Aftermarket Hydraulic Leveling System - Brochures

   - Joystick & Computer-Controlled Leveling Systems, Class A RVs ________________ ML36072
   - Joystick & Computer-Controlled Leveling Systems, Class B & C RVs ____________ ML36073
   - Computer-Controlled Leveling Systems, Towable RVs ________________________ ML40040
   - Computer-Controlled Leveling Systems, Sprinter RVs _________________________ ML45576

- Leveling/Landing Gear for Horse & Specialty Trailers _________________________ ML44695
- Leveling/Landing Gear for Horse & Specialty Trailers _________________________ ML43776
- Leveling/Landing Gear for Horse & Specialty Trailers _________________________ ML43928
- Leveling/Landing Gear for Horse & Specialty Trailers _________________________ ML40339

- Jack System for Commercial Van Style Vehicles _____________________________ ML38758

- Hand Pump Leveling/Landing Gear Systems ________________________________ ML44288
- Hand Pump Landing Gear - Economy Fifth Wheel Lift System ___________________ ML41949
- Hand Pump Leveling/Landing Gear Systems (Hydraulic Switch Control) ____________ ML42336
- Hand/Electric Pump Leveling/Landing Gear Systems (Computer-Control) ___________ ML43108
- Hand/Electric Pump Leveling/Landing Gear Systems (Hydraulic Switch Control) ______  ML42335
- Hand/Electric Pump Leveling/Landing Gear Systems (Remote Operating Panel) ______  ML42337
- Hand/Electric Pump Leveling/Landing Gear Systems (Leveleze Indicator Lights) ______  ML43038

* General Aftermarket Air Leveling System - Brochure ___________________________  ML23574

* Features & Benefits of HWH Leveling Systems - Brochure _______________________ ML23034B

* BI-AXIS® Leveling Commentary - Brochure __________________________________  ML23032
* BI-AXIS® Leveling Commentary - Video _____________________________________ ML23032

  0001.         Hand/Electric Pump Systems

                 

Fast-Find Index (Click to jump ahead)

0001.0       AP43076 Leveleze® Indicator Light System for Hydraulic Switch Valves

0001.1    AP49825 Hand/Electrical Pump Leveling/Landing Gear System
              with Automatic Computerized Full Leveling Control
              and Power-Extend/Power-Retract Landing Gear Combined with 9,000 lb. Spring Retracted Jacks

0001.2    AP50592 Hand Pump Leveling/Landing Gear System with Hydraulic Switches
              and Power-Extend/Power-Retract Landing Gear Combined with 9,000 lb. Spring Retracted Jacks

0001.3    AP43042 Hand/Electrical Pump Landing Gear System with Remote Electrical Panel
              and Power-Extend/Power-Retract Landing Gear

0001.4    AP43037 Hand Pump System with Integrated Hydraulic Switches
              and Power-Extend/Power-Retract Landing Gear

0001.5   AP43038 Hand/Electrical Pump Landing Gear System with Hydraulic Switches
             and Power-Extend/Power-Retract Landing Gear

  0001.0  AP43076 Leveleze® Indicator Light System for Hydraulic Switch Valves

* Brochure ___________________________________________________   ML43083

* Installation/Adjustment Instructions _________________________________ ML43120
* Priming the Hand pump; for Power-Retract or Spring-Retract Jacks ________  MP440009

0001.1  AP49825 Hand/Electrical Pump Leveling/Landing Gear System
                
with Automatic Computerized Full Leveling Control
                
and Straight-Acting (Power-Extend/Power-Retract) Landing Gear
                
Combined with 9,000 lb. Straight-Acting (Power-Extend/Spring-Retract) Jacks

* Brochure & Specifications (AP49825) ______________________________     ML50650

* Operator Information
   - Operator's Manual with Connection Diagrams _________________________  ML43031 

* Pre-Installation Checks - Refer to "General Install Information Section"
* Final Check-Out Information - Refer to "General Install Information Section"

* Control Panel/Box Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"
   - Installation of Weather Resistant Switch Box ________________________     MI159412

* Electrical Information
   - General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) ______________     MP846040

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"

* Jack Installation Information
   -  Refer to - "Jacks (Mounting & Brackets) Section"
   -  Landing Gear Installation Instructions - 2.5" Mounting Diameter ___________ MI154580

* Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

0001.2    AP50592 Hand/Electric Pump Leveling/Landing Gear System with Hydraulic Switches
                  and Straight-Acting (Power-Extend/Power-Retract) Landing Gear
                  Combined with 9,000 lb. Straight-Acting (Power-Extend/Spring-Retract) Jacks

 * Brochure & Specifications (AP50592) ______________________________     ML50931

 * Operator Information
    
- Operator's Manual with Connection Diagrams _________________________  ML42748

* Pre-Installation Checks - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section"

* Control Panel/Box Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"
   - Installation of Weather Resistant Switch Box _________________________     MI159412  

* Electrical Information
   - General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) ________________     MP846040

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"

* Jack Installation Information
   
-  Refer to - "Jacks (Mounting & Brackets) Section"
   -  Landing Gear Installation Instructions - 2.5" Mounting Diameter _____________   MI154580

* Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

0001.3 AP43042 Hand/Electrical Pump Landing Gear System with Remote Electrical Panel
               
and Straight-Acting (Power-Extend/Power-Retract) Landing Gear

* Brochure & Specifications (AP43042)___________________________________  ML43047

* Operator Information
   - Operator's Manual with Connection Diagrams ____________________________ ML43086

* Pre-Installation Checks - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section"

* Control Panel/Box Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"
   - Installation of Weather Resistant Switch Box ___________________________     MI159412

* Electrical Information
   - General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) __________________     MP846040

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"

* Jack Installation Information
   
-  Refer to - "Jacks (Mounting & Brackets) Section"
   -  Landing Gear Installation Instructions - 2.5" Mounting Diameter __________      MI154580

* Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

 0001.4  AP43037 Hand Pump System with Integrated Hydraulic Switches
                 
and Straight-Acting (Power-Extend/Power-Retract) Landing Gear

* Brochure & Specifications (AP43037) _______________________________      ML43043

* Operator Information
   
- Operator's Manual with Connection Diagrams _______________________      ML43088

* Pre-Installation Checks - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section"

* Control Panel Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"
   - Installation of Weather Resistant Switch Box ________________________     MI159412

* Electrical Information
   
- General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) ______________     MP846040

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"

* Jack Installation Information
   
-  Refer to - "Jacks (Mounting & Brackets) Section"
   -  Landing Gear Installation Instructions - 2.5" Mounting Diameter ________      MI154580

* Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

0001.5  AP43038 Hand/Electrical Pump Landing Gear System with Hydraulic Switches
                
and Straight-Acting (Power-Extend/Power-Retract) Landing Gear

* Brochure & Specifications (AP43038) _______________________________  ML43044

* Operator Information
   - Operator's Manual with Connection Diagrams _______________________   ML42748

* Pre-Installation Checks - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section"

* Control Panel/Box Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"
   - Installation of Weather Resistant Switch Box ________________________     MI159412

* Electrical Information
   - General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) ______________     MP846040

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"

* Jack Installation Information
   -  Refer to - "Jacks (Mounting & Brackets) Section"
   -  Landing Gear Installation Instructions - 2.5" Mounting Diameter ___________   MI154580

* Level Sensing Unit Information
   
- Installation & Adjustments - Refer to "General Install Information Section"

 

 0225.        225 Series, Joystick-Controlled Systems 


         0225.1  225 Series, Joystick-Controlled Hydraulic Leveling System

               * Pre-Installation Checks - Refer to "General Install Information Section"

* Air Line Connections
   - Air Dump Air Line Connections with HWH Air Dump Valves __________   MP752

* Control Panel Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"

* Electrical Connection Information
   - General Electrical Connection Protection, refer to "General Install Information Section"
   - Electrical Harness Connection Diagram without Air Dump _____________   MP85106C
   - Electrical Harness Connection Diagram with Air Dump ________________  MP852005
   - Pump Relay Connection Diagram_________________________________ MP852015
   - Bezel Plate Connections _______________________________________   MP852010
   - Sensing Unit, Pump and Warning Switch Harness Connections to Valve
     
Pigtails ____________________________________________________ MP85279C
   - Master Warning Light/Buzzer Connection Diagrams __________________    MP859999

* Hydraulic Connection Information
   - Hydraulic Hose Information, refer to "General Install Information Section"
   - Hydraulic Line Connections - Valve and Pump ______________________      MP65

* Jack Installation Information
   
-  Refer to - "Jacks (Mounting & Brackets) Section"

* Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section"

 

  0625.        625 Series, Computer Controlled Systems

 

Fast-Find Index (Click to jump ahead.)

0625.0    625 Series Leveling System Bulletins & Updates
0625.1    625 Series, Computer-Controlled Hydraulic Leveling System
0625.1    625S Series, Leveleze® Single-Step Computer-Controlled Hydraulic Leveling System

0625.0  625 Series Leveling System Bulletins & Updates

* 625S Single-Step Touch Panel Pigtail Update for systems with
               
          Remote Rocker Switches 10/17/06 _______________________________  MI9561

                         __________________________________________________________ MI1598

     0625.1  625 Series, Computer-Controlled Hydraulic Leveling System
               
      and
                     625S Series, Leveleze® Single-Step Computer-Controlled Hydraulic Leveling System

* Operation Information
   
- Yellow Level Indicator Lights On 625 Single-Step Systems (All OEMs) ___   MI9558
   - Yellow Level Indicator Lights On 625 Single-Step Systems  (Winnebago) _    MI9559

                     * Pre-Installation Checks - Refer to "General Install Information Section"

* General Installation Manual & Component Selection (for motorized vehicles) _   ML44818

* Air Line Connections
   - Air Dump Line Connections - HWH Air Dump Valves ________________   MP752

* Control Panel Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"

* Electrical Connection Information
- General Electrical Connection Protection, refer to
"General Install Information Section"
- Warning Switches, Pressure Switches, Park Brake Wiring, Touch Panel
   
Harness _____________________________________________________ MP85056J
- Warning Switches, Pressure Switches, Park Brake Wiring, Touch Panel
   
Harness - Pilot Air Dump _______________________________________   MP85091C
- Manifold, Master Relay and Pump Relay ___________________________     MP85102K
- Manifold, Master Relay and Pump Relay, Pilot Air Dump ________________    MP851035
- Manifold, Master Relay and Pump Relay, HWH Air Dump Valves _________     MP851045
- Master Warning Light/Buzzer ____________________________________     MP85304R

- Touch Panel __________________________________________________  MP852930

 * Hydraulic Hose Information
   - General Hydraulic Hose Information, refer to "General Install Information Section"
   - Hydraulic Line Manifold Connections - Straight-Acting Jacks ________________   MP652802
   - Hydraulic Line Manifold Connections - Kick-Down Jacks __________________    MP65300A

 * Jack Installation Information
    - Refer to - "Jacks (Mounting & Brackets) Section"

 * Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

                   * Final Check-Out Information - Refer to "General Install Information Section"

       0725.        725 Series, Computer Controlled Hydraulic Systems (Single-Step & Regular)

 


         0725.0    32 Pin Deutsch Connector Wire Installation and Removal ______________  Strike_Plug_How_To

 

 2000.      2000 Series, Computer-Controlled Systems

 

Fast-Find Index (Click to jump ahead.)

2000.1    2000 Series, Computer-Controlled Hydraulic Precision Leveling System
2000.2    2000 Series, Computer-Controlled Hydraulic Leveling/Landing Gear System
               with Two Power-Extend/Power-Retract Jacks (Front)
2000.3    2000 Series, Computer-Controlled Hydraulic Leveling/Landing Gear System
               with Four Power-Extend/Spring-Retract Jacks
2000.4    2000 Series, Computer-Controlled Hydraulic Leveling/Landing Gear System
              with Four Power-Extend/Power-Retract Jacks

  2000.1  2000 Series, Computer-Controlled Hydraulic Precision Leveling System

* Precision Leveling "System" - Brochure _____________________________    ML45187
* Precision Leveling "Jack" (16,000 lb.) - Brochure ______________________    ML45101
* Precision Leveling "Jack" (24,000 lb.) - Brochure ______________________    ML45102
* Precision Leveling "Control Panel" - Brochure ________________________     ML45304
* Precision Leveling "Level Sensor" - Brochure _________________________    ML45194

2000.2  2000 Series, Computer-Controlled Hydraulic Leveling/Landing Gear System
                with
                Two Power-Extend/Power-Retract Jacks (Front)
                Two Power-Extend/Spring-Retract Jacks (Rear)

* Pre-Installation Checks - Refer to "General Install Information Section"

* Control Panel Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"

* Electrical Information
   - General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) ______________     MP846040
   - Lighted Reset Switch Installation __________________________________ MI15600C

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"
   - Early Alternate Plumbing (Non-Motorized Vehicles) __________________      MP643990

* Jack Installation Information
   -  Refer to - "Jacks (Mounting & Brackets) Section"

* Level Sensing Unit Information
   
- Installation & Adjustments - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section" 

2000.3  2000 Series, Computer-Controlled Hydraulic Leveling/Landing Gear System
                with
                Four Power-Extend/Spring-Retract Jacks

   * Pre-Installation Checks - Refer to "General Install Information Section"

* Control Panel Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"

* Electrical Information
   
- General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) ______________     MP846040
   - Lighted Reset Switch Installation __________________________________ MI15600C

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"
   - Early Alternate Plumbing (Non-Motorized Vehicles) __________________      MP643991

* Jack Installation Information
   -  Refer to - "Jacks (Mounting & Brackets) Section"

* Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section" 

2000.4   2000 Series, Computer-Controlled Hydraulic Leveling/Landing Gear System
                 with
                 
Four Power-Extend/Power-Retract Jacks

   * Pre-Installation Checks - Refer to "General Install Information Section" 

* Control Panel Information
   - Control Valve Templates/Cut-Outs - Refer to "General Install Information Section"

* Electrical Information
   
- General Electrical Connection Protection - Refer to "General Install Information Section"
   - Leveling Manifold Connections (2000 Series for Trailers) ______________     MP846040
   - Lighted Reset Switch Installation __________________________________ MI15600C

* Hydraulic Line Information
   
- General Hydraulic Hose Information, refer to "General Install Information Section"
   - Early Alternate Plumbing (Non-Motorized Vehicles) ____________________  MP643992  

* Jack Installation Information
   -  Refer to - "Jacks (Mounting & Brackets) Section"

* Level Sensing Unit Information
   - Installation & Adjustments - Refer to "General Install Information Section"

* Final Check-Out Information - Refer to "General Install Information Section"