Diesel Hydraulic Power Units Unit
Diesel Hydraulic Power Units
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Diesel Hydraulic Power Units
D-23S12-J5-W
12 GPM Diesel Hydraulic Power Unit — 23 HP, Variable Flow
23 HP · Diesel · Wheeled frame · For boring, breakers & hydraulic tooling
$16,795
Price excl. tax. Free Freight, US Lower 48
In stock
· Ships in 1–2 business days
Flow rate
0–12 GPM (variable)
Working pressure
2,000 PSI
Horsepower
23 HP
Fuel / power
Diesel Hydraulic Power Units · Rehlko
Frame
Wheeled
Dry weight
520 lb
$16,795
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1-year warranty
US service network
US-based support
Free freight — US lower 48
Overview
The HydraTough D-23S12-J5-W is a 12 GPM diesel hydraulic power unit built for hydraulic breakers, underground boring, hydraulic excavation and similar field work. It runs on a 23 HP Rehlko engine, with variable flow from 0–12 GPM so output matches the tool in hand. Working pressure 2000 PSI. Single-circuit, wheeled for easy movement around a site. In stock — ships from US warehousing in 1–2 business days.
Model decoder
HydraTough model numbers identify the unit's configuration — fuel, horsepower, pump setup, flow and frame.
D-23S12-J5-W
- D
- Diesel engine
- 23
- 23 HP
- S
- Single circuit
- 12
- 12 GPM
- J5
- Variable flow
- W
- Wheel frame
Technical specifications
Model number
D-23S12-J5-W
Fuel type
Diesel Hydraulic Power Units
Working pressure
2,000 PSI
Horsepower
23 HP
Engine
Rehlko
Circuit type
Single circuit
Frame
Wheeled
Dry weight
520 lb
Flow rate
0–12 GPM (variable)
Relief valve setting
2150 PSI
Engine / motor model
KDW1003
Flow configuration
Variable
Dimensions (L×W×H)
43" x 30" x 37"
Hydraulic fluid capacity
5.5 Gal
Fuel tank capacity
4.2 Gal
Max RPM
3600
Coupling type
3/8" HTMA
Warranty period
1 year
Product information
This portable diesel hydraulic power unit runs hydraulic tools across demanding job-site conditions. The wheeled frame moves easily over rough ground, and the 0–12 GPM (variable) output matches a range of tools. Compare flow rate, horsepower, and circuit type against your tools to confirm fit.
Applications
Hydraulic breakers
Underground boring
Hydraulic excavation
Marine & underwater
Oilfield
Built for salt water
Marine and underwater crews rarely run just one tool. The D-23S12-J5-W’s variable 0–12 GPM flow means it adapts to whatever hydraulic equipment is in use — from lighter surface tools to heavier underwater cutting and breaker equipment. One diesel unit that covers the range of tools your marine operation demands.
Designed to be serviced
Every HydraTough unit is built for straightforward field servicing. Parts are stocked in the US. Manuals are free — no account or registration required.
How we stack up
HydraTough vs typical competitors.
Feature / benefit
HydraTough
Typical competitors
Flow performance
HydraTough
Tested to hit rated GPM at rated PSI
Typical competitors
Often rated on paper, not verified under load
Component access / maintenance
HydraTough
Open access to hydraulic components for easy maintenance
Typical competitors
Components frequently enclosed, harder to service
Fuel tank
HydraTough
Large EPA-compliant 5-gallon tank (Prowler frame)
Typical competitors
Smaller tanks, more frequent refueling
Lead time
HydraTough
Ships in 1–2 business days on standard models
Typical competitors
Often multi-week lead times
Customization
HydraTough
Custom units built to spec available upon request
Typical competitors
Standard configurations only
Reviews
What crews say after the job.
FAQs
Frequently asked questions
Still not sure if this is the right unit? Our US-based team can help you match it to your tools.
Talk to usBuilt for hydraulic breakers, underground boring, hydraulic excavation, marine & underwater, oilfield.
D = diesel engine, 23 = 23 hp, S = single circuit, 12 = 12 GPM, J5 = variable flow, W = wheel frame.
Yes — it's wheeled and weighs 506 lbs dry, built to move around a site.
In-stock units ship from US warehousing in 1–2 business days.
Standard units are direct purchase. For custom specifications, visit our custom units page (/products/custom).
Yes, quick connect couplers can be removed or replaced with customer specified couplers.
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