Engine & Compressor Parts
As an RJ Mann & Associates customer, you are never alone. RJ Mann is with you for the life of your engine-compressor — from field service to the replacement of top-quality OEM products. Additionally, our factory authorized products are backed by some of the strongest warranty programs in the industry.
RJ Mann supports these brands with quality replacement parts, expert advice, superior technology, and proven experience. They’re all yours the minute you choose to trust RJ Mann & Associates, Inc. If peace of mind and reduced downtime sound good to you, give us a call and let us show you how we can help.

 

AJAX

ajax compressors

For more than 50 years, AJAX integral engine-compressors have earned a reputation for being as reliable as any compressor product, through efficient and long-lasting service. The AJAX product line – from 147 to 845 hp (110 to 630 kW), with a cylinder lineup capable of handling a wide range of pressures – offers up to six ratios of capability and a lower brake horsepower (BHP) per million flows for a wider range of applications.

 


 

Superior Compressor Parts

Superior Compressor Parts is a leading provider of reciprocating compression equipment, parts, and services for oil and gas production, gas transmission, gas processing, and independent power industries. Built to work long and hard in any gas application, the Superior product line includes a full line of air-cooled and water-cooled, lubricated and non-lubricated, lined and unlined cylinders.

superior compressor parts

 


 

Arrow Engine Company

arrow engine company

Arrow Engine Company is a market-leading provider of natural gas-powered engines and parts, as well as gas compressors, gas production equipment, meter runs, engine electronics and chemical pumps. Arrow’s solid state ignition engines are designed for continuous duty, run on a variety of low BTU gases (Natural Gas, Methane, Butane, Propane, Diesel), and are EPA certified or certifiable for emissions standards.

 


 

White Superior Engine Parts

White Superior’s turbocharged gas engines are medium-speed and built for continuous, heavy-duty service. Optimal fuel/air mixing in the cylinder, timed fuel injection, and air-charged intercooling result in reduced fuel consumption and lowered emissions. Low compression pistons keep dynamic stresses at a conservative level and provide for more stable operation and enhance engine tolerance to variations in types of fuel.

white superior engine parts

 


 

Gemini High-Speed Reciprocating Compressor Parts

gemini compressor parts

Gemini’s High-Speed Reciprocating products range from 60 HP (45 kW) to 800 HP (596 kW), with a variety of piston rod load capacities and frame stroke combinations. Their compressors can be found around the globe, working in fuel gas boosting, gas lift, CNG fueling, re-injection, gas gathering, and vapor recovery applications. Gemini’s modular design allows frames and cylinders to be easily reconfigured, offering maximum flexibility with minimal cost.

 

Please contact RJ Mann's sales staff for more information on these products and services.