PES Logo

Propak Energy Services (PES) is Propak’s integrated field service and replacement parts division.

  • PES provides domestic and international clients with startup and commissioning services, product support, and warranty administration for process plants, gas compression and power generation systems.
  • PES also provides after sale parts and field service through a network of branch offices across Western Canada and the Rocky Mountain States.
  • PES stocks new and remanufactured cylinders for Ariel, Dresser-Rand and Gemini compressors.
    Our inventory can be viewed here.
PES location Map

Branch Offices

  • Airdrie, AB403-912-7000
  • Grande Prairie, AB780-402-3334
  • Medicine Hat, AB403-528-2220
  • Casper, WY307-472-1208
  • Lloydminister, AB780-875-8828
  • Red Deer, AB403-912-7000
  • Fort St. John, BC250-261-1725
  • Kindersley, SK403-528-2220
  • Swift Current, SK306-773-6116
  • Williston, ND701-774-6655

24/7 OEM Parts Support

Propak Energy Services has an extensive inventory of OEM replacement parts and exchange components for engines and compressors available through a network of branch offices across Western Canada and The Rocky Mountain States.

Product Lines
  • Waukesha
  • Caterpillar
  • White
  • Ajax
  • Mycom
  • Sullair
  • Howden
  • Frick
  • Ariel
  • Dresser Rand
  • Gemini
  • Superior
  • Worthington
Accessory Lines
  • Bosch
  • Champion
  • Denso
  • Altronic
  • Impco
  • Stitt
  • TDI Air/Gas Starters
  • IR Air/Gas Starters
  • Kenco Level Controllers
  • Screw Compressor Oils
Exchange Components
  • Turbos
  • Water Pumps
  • Oil Pumps
  • Engine Crankshafts
  • Compressor Crankshafts
  • Fisher Regulators
  • Connecting Rods
  • Engine Cylinder Heads
  • Fuel Admission Valves
  • Waukesha & Caterpillar Engines
  • Screw Compressors
  • VHP Rocker Arm Assemblies S2 & S4

Cylinder Head Rebuilding


Our modern cylinder head shop provides remanufactured heads for Waukesha, Caterpillar and White Superior engines. Cylinder heads are remanufactured by factory trained technicians using OEM cores with new valves, guides and seats and are restored to OEM standards and include a 12 month limited parts and labour warranty.

  • Cores are hydro jet washed and glass bead blasted to remove debris
  • QC documentation is centrally controlled
  • Cylinder heads are surface ground, valve seats are machined to ensure concentricity
  • Finished heads are pressure tested to ensure there are no leaks

Propak Exchange Engines

Remanufactured engines Improve Runtime and Lower Repair Costs

PES maintains a complete range of Waukesha and Caterpillar natural gas remanufactured engines. Engines are rebuilt by factory trained certified technicians to OEM specifications and include select upgrade kits designed to improve performance and service life. Remanufactured engines are a cost-effective alternative to field overhauls and are supplied with a 12-month limited parts and labour warranty

  • OEM parts are used exclusively.
  • Testing and quality control records are centrally maintained.
  • Crankshafts and crankcases are inspected, cleaned, magnafluxed and returned back to OEM spec.
  • Engines are rebuild in a clean dust free environment.

Remanufactured Waukesha Engines
  • F18GL
  • H24GL
  • L5794GSI
  • L5794LT
  • L7042GL
  • L7042GSI
  • L7044GSI
  • L7044GSI x-cooled
Remanufactured Caterpillar Engines
  • G3304NA
  • G3306NA
  • G3306TA
  • G3512TALE
  • G3516TALE

Process Field Services

Process Field Service provides start-up and troubleshooting support for oil and gas processing facilities. Experienced technicians, supported by in-house engineering are on call 24/7 to manage and perform plant modifications, upgrades and turnarounds.

  • Experienced journeymen welders, millwrights and pipe fitters
  • Qualified refrigeration compressor technicians
  • Fully equipped service vehicles with special tooling
  • OEM parts

Process Plant Services
  • Refrigeration plant pre-commissioning and start up
  • Dehydration plant pre-commissioning and start up
  • Process plant troubleshooting and optimization services
  • Process plant de-commissioning and preservation services
  • Burner management systems
  • Exchanger retubing, testing and alterations
  • Amine plant pre-commissioning and start-up
Fabrication Services
  • Gas to gas exchanger replacement and repairs
  • New or repaired air cooler bundles and headers
  • Louver repair or replacement
  • New or repaired process vessels and modifications
  • Piping and spooling repairs and modifications
  • Direct fired heaters
  • Tower inspections and repairs
  • Tubing and pipe coils
Refrigeration Compressor Services
  • Scheduled preventative maintenance programs
  • Refrigeration compressor overhauls
  • Exchange refrigeration compressors
  • OEM parts for refrigeration compressors

Compression and Power Generation

Our factory trained and certified field service team’s provide product and warranty support for gas engines, compressors and power generation systems.

  • Waukesha upgrade kits allow customers to cost effectively upgrade older VGF & VHP engines to improve performance, extend service intervals, and improve emissions.
  • Ariel CPU valve upgrades allow customers to take advantage of the latest compression technology designed to improve compression efficiency and valve service life.

Service Offerings
  • Waukesha engine conversions Series 2 to Series 4 or Series 5.
  • In-shop or on site repairs and overhauls.
  • Remanufactured natural gas engines.
  • Remanufactured reciprocating and screw compressors.
  • Remanufactured engine components e.g.: cylinder heads, water pumps, oil pumps, turbos, connecting rods, camshafts and crankshafts.
  • Failure and component life cycle analysis.
  • Vibration measurement, pulsation analysis and recommendations.
  • Engine emission compliance upgrades.
PES Employs and provides
  • Cat 3300, 3400, 3500 & 3600 qualified service technicians
  • Waukesha VGF & VHP qualified service technicians
  • Ariel qualified service technicians
  • Fully equipped service vehicles with air and special tooling
  • In-house engineering and factory technical support
  • Large inventory of OEM parts

After-Market Programming Support

Propak’s in-house control systems specialists provide clients with support that includes programming, software and panel hardware upgrades for a variety of control system types and manufacturers.

  • Programming
  • Software and panel hardware upgrades
  • Waukesha & Caterpillar engine control systems
  • Emission compliance and equipment upgrades

Maintenance Contracts

Propak Energy Services offers a full range of maintenance contracts designed to improve runtime and reduce equipment life cycle costs.

  • Extend equipment overhaul cycles lowering maintenance costs
  • Improves equipment run time and online availability
  • Provides predictable fixed monthly maintenance costs
  • Services are performed by factory trained technicians
  • Access to factory technical resources can help optimize equipment life cycles
  • Product improvement upgrades can be included
  • Maintenance contracts are transferable

Premium Compressor Oils

Propak Energy Services has developed a line of semi-synthetic and synthetic compressor oils for rotary screw, rotary vane and reciprocating compressor applications available in 205L / 55 gallon barrels or 20L / 5 gallon pails.

  • Propak 5-100 (viscosity of 107 @40 C) is a chemically inert semi-synthetic compressor oil designed to improve lubricity and resist corrosion
  • Propak 5-150 (viscosity of 147 @40 C) is a chemically inert semi-synthetic compressor oil designed to improve lubricity and resist corrosion
  • Propak 22 (viscosity of 150 @40 C) is a specially blended synthetic compressor oil designed for refrigeration and/or hydrocarbon service where it is critical that oil carry over not affect the thermal efficiency of the process