Hydraulic Submersible Power Packs and Pumps Specs & manuals ↓
Thompson 78HPU — 140-hp Hydraulic Power Unit
A diesel hydraulic power unit configured with a 140-hp Cummins QSB4.5 engine and 67-gallon integral fuel tank. A positive-displacement gear pump supplies hydraulic submersible pump heads, with separate pressure, return and bypass connections. Published hydraulic ratings depend on the paired pump head.
Estimated equipment rental only. Delivery, taxes and applicable fees quoted separately. Final pricing confirmed with dispatch.
Specifications
Equipment
- Manufacturer
- Thompson Pump
- Model
- 78HPU — Cummins QSB4.5 / 67-gal integral tank
Selected engine and hydraulic unit
- Model
- 78HPU — Cummins QSB4.5 option
- Engine rating
- 140 hp at 2,400 rpm
- Typical operating speed
- 2,200 rpm
- Maximum hydraulic flow
- 88 US gal/min; July2020 factory sheet
- Published hydraulic pressure
- 3,500 psi maximum; factory mining-brochure configuration, subject to pump-head pairing
- Hydraulic pump
- P365 A-2.5 positive-displacement external gear;9 cu in displacement
- Control valve
- Needle type
- Dry weight
- Approximately 5,480 lb
Fuel and handling
- Selected integral fuel tank
- 67 US gal
- Optional modular fuel tank
- 114 US gal
- Maximum fuel consumption, Cummins
- 7.03 US gal/hr
- Cummins runtime examples, 67-gal tank
- 9 hr at 2,200 rpm;11 hr at 2,000 rpm;16 hr at 1,800 rpm
- Shown trailer dimensions
- 148.5-in overall length ×73-in overall width ×97-in overall height; factory representative layout
Hydraulic connections and service
- Pressure delivery coupling
- 1.25-in female Snap-Tite75-series quick disconnect
- Return coupling
- 1.5-in female Snap-Tite75-series quick disconnect
- Bypass coupling
- 0.75-in female Snap-Tite75-series quick disconnect
- Coupling protection
- Dust plugs
- Reservoir
- Fabricated steel, internal baffles, access port, drain valve, sight / temperature gauge
- Sump strainer
- 100 mesh spin-on
- Return filter
- 25 micron;100 gal/min at 5 psi backpressure; internal bypass at 25 psi
- Safety shutdowns
- Low hydraulic fluid level and high hydraulic fluid temperature
- Relief valve
- Pump-mounted; internally pilot-operated, pressure compensated, with diagnostic pressure gauge
Equipment Details
Capabilities & Features
- Separate pressure, return and bypass connections support matched hydraulic pump heads.
- Low fluid level and high fluid temperature trigger automatic shutdowns.
- A baffled steel reservoir, strainer and return filtration support hydraulic service.
Specs & Manuals
PDF download
Thompson original78HPU factory specification — July2020; Cummins engine option on page2; supplier-hosted factoryPDF
PDF download
Thompson original factory Mine Dewatering brochure —78HPU3500 psi hydraulic configuration, page5
PDF download
Thompson Pump original Hydraulic Submersible Pump operator manual — December 22, 2022
Manufacturer manuals
Thompson Pump documentation support
