Miller (Parker) Control Valve 5 Spool

1. Product Identification & Overview

• Miller Part Number: 0302179

• Parker Model / Tag: VDP11DDDDD55

• Description: 5-Spool Directional Hydraulic Control Valve Body Assembly

• Primary Application: Standard main control valve body used on the hydraulic assemblies of Gen-1 Miller Industries Car Carriers/Rollbacks and wreckers.

2. Compatibility & Equipment Applications

This valve body is used across various Miller Industries brands, including:

• Champion: Gen 1 Aluminum & Steel Car Carriers

• Century: 10 Series - 15 Series (2-car and 3-car carriers), 820 Wrecker, 712/716 Formula III-T

• Vulcan: 15 Series, Extreme Angle, and Standard Rollback Bodies

• Holmes & Challenger: MD616T and early carrier hydraulic control assemblies

3. Physical & Technical Specifications

• Type: Sectional / Monoblock 5-Spool Hydraulic Directional Valve

• Spool Functions (Typical Carrier Configuration): Controls 5 hydraulic functions:

  1. Winch

  2. Carrier Deck (Slide back / forward)

  3. Tilt (Up / Down)

  4. Wheel Lift (Extend / Retract)

  5. Wheel Lift (Raise / Lower)

• Approximate Dimensions: ~15" L × 10" W × 15" H

• Weight: ~40 lbs

• Material / Finish: Cast Iron / Steel body with silver metallic finish

4. Related Linkages & Associated Replacement Parts

When servicing or replacing SKU 0302179, related hardware often inspected or replaced includes:

• Control Rod Handles & Brackets: Miller Pin & Link Assemblies, Control Bell Cranks, Handle Brackets

• Anti-Rattle Springs

• Control Handle End Caps

• Seal Kits / O-Rings: Parker VDP11 seal kits for spool leaks or section body leaks.