Hydraulic Conversion
Wetdeck Hydraulic Conversion Package
Vanguard's Wetdeck package economically converts aging Caterpillar 572E/G, 583H/K and 594G/H pipelayers' mechanical drawworks into state-of-the-art hydraulic units — a modernized machine for a fraction of the cost.
Base machines: Caterpillar 572E/G, 583H/K, 594G/H pipelayers

Overview
The fully engineered Wetdeck offers the same safe, reliable and easy-to-operate functionality and control as a modern Caterpillar pipelayer. The result is a modernized machine for a fraction of the cost of new. The fully tested product is ergonomically designed and safety engineered to SAE/ISO and CE standards.
The drawworks arrives as a complete, assembled modular package ready to bolt into the existing machine. Installation can be done by local Caterpillar dealers or in the customer's own facilities, with 100 % parts and service availability through Caterpillar dealers and Vanguard.
Package highlights
- Fully engineered product.
- Drawworks comes as a complete, assembled modular package ready to bolt into an existing machine.
- Easy installation by local Caterpillar dealers or in the customer's own facilities.
- Modular design allows fast replacement of parts, easy field service and testing.
- 100 % parts and service availability through Caterpillar dealers and Vanguard.
- 25-gallon hydraulic tank for excellent heat dissipation, equipped with Cat 572R filter system, ecology drain and sight gauge.
- Operating temperature range −40 °F to 122 °F (−40 °C to 50 °C). An optional oil cooler may be required at higher temperatures.
Controls
- Same intuitive configuration as Caterpillar 561M/N and 572R pipelayers.
- Low-effort controls allow simultaneous, precise positioning of the load line and boom.
- Ergonomically designed so that one hand can simultaneously control opposite functions of the hook and boom.
- Lines of sight maintained.
Safety features
- Boom and hook drawworks driven by independent hydraulic winches.
- Oil-disc brakes provide smooth operation and positive retention of boom and hook positions.
- Infinitely variable speed controls for both boom and hook.
- Emergency free-fall function on load-line control allows the operator to drop the load quickly.
- Independent manual external brake release enables load lowering if the engine or hydraulics are inoperable.
Options
- 2-speed boom motor for 572 and 583 (standard on 594).
- High-temperature cooler.
Specifications
Drawworks equipment
| Item | Specification |
|---|---|
| Hydraulic power | 74 gpm at 4,300 psi, minimum 2,200 rpm pump speed |
| Hydraulic tank | 25 gal, Cat 572R filter system, ecology drain, sight gauge |
| Operating temperature | −40 °F to 122 °F (−40 °C to 50 °C) |
Winch dimensions
| Item | Hook winch | Boom winch |
|---|---|---|
| Drum diameter | 254 mm / 10 in | 254 mm / 10 in |
| Flange diameter | 482.6 mm / 19 in | 482.6 mm / 19 in |
| Drum length | 431.8 mm / 17 in | 431.8 mm / 17 in |
| Capacity, 19.05 mm (3/4 in) rope | 124 m / 407 ft | 125 m / 407 ft |
Winch speeds (nominal line speed, no load, bare drum)
| Machine | Hook speed | Boom line speed |
|---|---|---|
| 572 / 583 | High 91.4 m/min (300 ft/min); Low 47.2 m/min (155 ft/min) | 61 m/min (200 ft/min) |
| 594 | High 91.4 m/min (300 ft/min); Low 47.2 m/min (155 ft/min) | 91.4 m/min (300 ft/min) |
Bare drum speed will decrease on tractors with less than 200 hp.
Materials and specifications are subject to change without notice. Refer to the brochure and Operator & Maintenance Manual for complete data.
Photos
Downloads
Wetdeck Hydraulic Conversion Package brochure (4 pages)Product brochurePDF
Operator & Maintenance Manuals
Pipelayer Wetdeck Package030-08OP-002I · Cat 572E/F/G, 583H/K, 594G/HPDF
Made under license from Caterpillar, Inc. Cat and Caterpillar are registered trademarks of Caterpillar, Inc. All marks are used with permission of Caterpillar.



