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R-Series compressors are loaded with features designed for day-in, day-out performance. For example, Gardner Denver’s unique automotive-type domed piston design allows the use of large diameter, low lift valves, while minimizing clearance volume for maximum air delivery.

Features such as slow speed operation, rugged cast iron crankcase construction, corrosion resistant steel valves and tapered roller-type main bearings, all contribute to long life.

A wide selection of configurations and available options, coupled with serviceability features, make it easy to operate and maintain a Gardner Denver compressor. Compare all the features on the pages that follow. You’ll discover why Gardner Denver is the value leader in reciprocating compressors for a broad range of automotive and industrial applications.
Unit of Measure
Items
R-Series

R-Series Splash-Lubricated Compressor
R-Series

R-Series Splash-Lubricated Compressor
R-Series

R-Series Splash-Lubricated Compressor
R-Series

R-Series Splash-Lubricated Compressor
R-Series

R-Series Splash-Lubricated Compressor
A - Width of Base N/A 10 in N/A 10 in N/A 11 1/8 in N/A 12 7/8 in N/A 12 7/8 in
B - Width of Bolt Down N/A 4 3/8 in N/A 4 3/8 in N/A 4 13/16 in N/A 5 11/16 in N/A 5 11/16 in
C - Bolt Down to Edge N/A 5/8 in N/A 5/8 in N/A 3/4 in N/A 3/4 in N/A 3/4 in
D - Base to Crank CTR N/A 5 1/2 in N/A 5 1/2 in N/A 7 in N/A 7 15/16 in N/A 7 7/8 in
E - Overall Width N/A 16 7/8 in N/A 16 7/8 in N/A 26 in N/A 30 in N/A 33 1/2 in
F - Overall Height N/A 23 1/4 in N/A 23 1/4 in N/A 23 9/16 in N/A 32 in N/A 33 9/16 in
H - HP Exh. Opening Manifold N/A 3/4" Tubing N/A 3/4" Tubing N/A 3/4" NPT N/A 1" Tubing N/A 1 1/4 NPT
I - Bolt Down Hole Diameter N/A 15/32 in N/A 15/32 in N/A 17/32 in N/A 9/16 in N/A 9/16 in
J - Depth of Base N/A 7 1/2 in N/A 7 1/2 in N/A 9 3/4 in N/A 12 in N/A 13 1/4 in
K - Depth of Bolt Down N/A 5 3/4 in N/A 5 3/4 in N/A 8 1/16 in N/A 10 in N/A 11 1/4 in
L - Bolt Down to Edge N/A 7/8 in N/A 7/8 in N/A 27/32 in N/A 1 in N/A 1 in
M - Bolt Hole to Wheel (Max.) N/A 3 in N/A 3 in N/A 3 1/4 in N/A 5 3/4 in N/A 5 3/4 in
N - Width of Flywheel N/A 2 1/2 in N/A 2 1/2 in N/A 2 23/32 in N/A 3 1/2 in N/A 3 1/2 in
O - Crank Diameter N/A 1 5/16 in N/A 1 5/16 in N/A 1 3/4 in N/A 2 1/4 in N/A 2 1/4 in
P - Flywheel Diameter N/A 16 1/2 in N/A 16 1/2 in N/A 18 7/8 in N/A 22 in N/A 22 3/16 in
Q - Flywheel Grooves N/A 2 V Belt N/A 2 V Belt N/A 2 V Belt N/A 3 V Belt N/A 3 V Belt
R - Overall Depth N/A 20 in N/A 20 in N/A 22 3/8 in N/A 27 1/2 in N/A 28 33/64 in
Motor Power N/A 1 1/2 hp2 hp N/A 3 hp5 hp7 1/2 hp N/A 10 hp15 hp7 1/2 hp N/A 15 hp N/A 20 hp25 hp30 hp
Displ./Rev N/A 0.01942 ft³ N/A 0.02916 ft³ N/A 0.05828 ft³ N/A 0.08000 ft³ N/A 0.14200 ft³
Speed at 125 psig N/A 575 rpm765 rpm N/A 485 rpm805 rpm990 rpm N/A 1045 rpm670 rpm810 rpm N/A 890 rpm N/A 770 rpm890 rpm
CFM Delivery at 125 psig N/A 6 cfm8.3 cfm N/A 10.9 cfm19.1 cfm23.9 cfm N/A 30.0 cfm37.3 cfm50.2 cfm N/A 59.0 cfm N/A 91.9 cfm102.1 cfm
Speed at 175 psig N/A 542 rpm725 rpm N/A 440 rpm710 rpm990 rpm N/A 1045 rpm575 rpm740 rpm N/A 770 rpm N/A 655 rpm770 rpm890 rpm
CFM Delivery at 175 psig N/A 5.3 cfm7.5 cfm N/A 9.7 cfm16.5 cfm23.1 cfm N/A 25.8 cfm34.8 cfm49.0 cfm N/A 53.7 cfm N/A 76.7 cfm90.1 cfm101.0 cfm
Speed at 250 psig N/A N/A 380 rpm640 rpm870 rpm N/A 520 rpm640 rpm900 rpm N/A 700 rpm N/A 545 rpm660 rpm770 rpm
CFM Delivery at 250 psig N/A N/A 8.0 cfm13.6 cfm18.2 cfm N/A 21.3 cfm27.5 cfm42.6 cfm N/A 45.8 cfm N/A 64.1 cfm76.8 cfm90.0 cfm
Bore Diameter N/A 4 5/8 & 2 1/2 in N/A 4 5/8 & 2 1/2 in N/A 4 5/8 & 2 1/2 in N/A 6 1/4 & 3 1/4 in N/A 6 1/4 & 3 1/4 in
Stroke N/A 2 in N/A 3 in N/A 3 in N/A 4 1/2 in N/A 4 in
Number cylinders N/A 2 N/A 2 N/A 4 N/A 2 N/A 4
Oil Capacity N/A 2 liq qt N/A 2 liq qt N/A 4 liq qt N/A 4 liq qt N/A 6 1/2 liq qt
Approximate Shipping Weight N/A 125 lb N/A 125 lb N/A 220 lb N/A 440 lb N/A 570 lb
Options N/A Air-Cooled or Water-Cooled Aftercooler
Automatic Tank Drain (Pneumatic)
DPR Control Panel
Gardner Denver Compressor Lubricants
Low Oil Level Monitor
Magentic Starter
Refrigerated Dryer
Vibration Isolators
Options N/A
Select the Options That Match Your Needs (To Request Information)
Many options are available to help you develop a Gardner Denver compressor package that exactly matches your specific operating requirements.

1. Magentic Starter
For thermal overload protection. Required for units 3 horsepower and above. Starters available as mounted or unmounted.
2. Air-Cooled or Water-Cooled Aftercooler
The factory mounted, heavy duty, air-cooled aftercooler effectively reduces up to 65% of the moisture from discharged compressed air.
3. Automatic Tank Drain (Pneumatic)
Automatically removes water from air receiver upon demand. Eliminates the need for manual purging.
4. Vibration Isolators
Isolates the compressor unit from the foundation or floor. Reduces noise and protects the unit from any out-of-level floor situation that could cause vibration and damage.
5. Low Oil Level Monitor
Low Oil Level Monitor shuts down the unit when oil levels are below an adequate level. Prevents the unit from restarting if oil levels are not at an adequate level.
6. Refrigerated Dryer
Cools compressed air to a 33°F-39°F dew point, eliminating additional downstream condensation in the air line. Normally, a dryer should be used in conjunction with an aftercooler.
7. DPR Control Panel The Microprocessed Duplex Relay Panel was created for controlling a duplex air compressor package. The controller includes visual maintenance and shut down alarms.
8. Gardner Denver Compressor Lubricants
AEON™ lubricants are blended specifically for Gardner Denver compressors for use in harsh compressor environments. They are sourced from extremely stable base stocks and enhanced with carefully selected additive packages to provide long life and superior protection. AEON™ lubricants are suitable for a variety of applications and are available as a mineral oil, synthetic or food-grade synthetic. Available in 55-gallon drums, five-gallon pails, one-gallon bottles and one-quart bottles.
Other Options N/A
  • Power Monitor that shuts down unit in the event of single phasing, low voltage or phase reversal
  • Constant Speed Control which prevents excessive motor start/ stop cycles while saving energy
  • Dual Control will allow the compressor to run either in start/stop or constant speed mode
  • NEMA 4 rated parts available
  • Alternate voltages and TEFC, ODPHE, TEFCHE Electric Motors
    • Gardner Denver™ Reciprocating Compressors...The Value Leaders. N/A
    At Gardner Denver, air compressor systems are our only product. We know and understand the application of our products in many different operating environments. Our goal is to provide you with the compressors that fulfill—and exceed—your expectations and requirements.

    Because compressed air is an essential utility, dependability is an essential compressor quality. If your compressor goes down, it can hurt your reputation—and your bottom line. Gardner Denver reciprocating compressors are proven units, known for their reliability over decades of use. In addition to dependability, you want a compressor that is user-friendly. Gardner Denver comes through again, with a wide selection of configurations and options designed for trouble free operation.

    You can’t beat a Gardner Denver compressor!
    Lubricated Compressors N/A
    Proven Design
    Today’s Gardner Denver Reciprocating Compressors are the product of decades of design and development. In fact, we introduced the first single-stage compressor in 1919 and have continuously improved its design through innovations in material, production techniques and quality control.

    Proven Dependability
    You rely on compressed air to perform many tasks efficiently. Gardner Denver knows that reliability is one of the main reasons for a purchase. Our slow speed, built-in efficiency through design, and the longest compressor warranty in the industry make Gardner Denver compressors the proven choice!

    High Performance
    R & PL-Series compressors are loaded with features designed for day-in, day-out performance. For example, Gardner Denver’s unique automotive-type domed piston design allows the use of large diameter, low lift valves, while minimizing clearance volume for maximum air delivery.

    Long Life
    Features such as slow speed operation, rugged cast iron crankcase construction, corrosion resistant steel valves and tapered roller-type main bearings, all contribute to long life.

    User-Friendly Design
    A wide selection of configurations and available options, coupled with serviceability features, make it easy to operate and maintain a Gardner Denver compressor. Compare all the features on the pages that follow. You’ll discover why Gardner Denver is the value leader in reciprocating compressors for a broad range of automotive and industrial applications.

    Select The Configuration
    That Matches Your Application
    With many models from which to choose in both single-stage and two-stage compressors, we can match your exact needs. These configurations, combined with a wide choice of options, provide all the components for a customized installation. They are available in both R-Series splash-lubricated and PL-Series pressure-lubricated models.

    Tank-Mounted Air Compressors
    Available with horizontal or space-saving vertical tanks. Two stage air compressors compress air to a higher pressure than single-stage compressors.

    Base-Mounted Air Compressors
    Designed for installations where air tanks are remotely located.

    Duplex Air Compressors
    For extra air delivery when you need it without wasted space. Plus the flexibility of single operation, alternating between compressors, or duplex operation to meet high air demand.

    Gasoline or Diesel Engine Powered
    Air Compressors
    Truck and utility bed mounting design makes these compressors ideal for fleet and field service. Ideal for applications where electricity is not available.

    Bare Compressor Pumps
    Gardner Denver pumps provide dependable service for industrial applications, OEM applications, and pump replacement. The rugged pump design assures reliability and long maintenance intervals.

    Receivers
    Receivers are ASME approved and include a pressure gauge, pressure relief valve, drain valve and service valve.
    Warranty N/A
    Compressor Pump Warranty
    Each new Gardner Denver Assembled Unit has a five (5) year warranty on the compressor pump only, against defects in materials or workmanship under normal use and service, from the date of installation or sixty-six (66) months from the date of shipment by Gardner Denver or a Gardner Denver distributor, whichever may occur first.

    The five-year extended warranty covers parts and labor and is prorated over the five years as follows:

    Year One — 100% coverage
    Year Two — 90% coverage
    Year Three — 80% coverage
    Year Four — 70% coverage
    Year Five — 60% coverage

    Head valves are warranted for Year One only. Gardner Denver makes no warranty on components and/or accessories furnished to Gardner Denver by third parties, such as electric motors, gasoline engines and controls. These are warranted only to the extent of the original manufacturer ’s warranty to Gardner Denver. Electric motors must be equipped with thermal overload protection to have warranty consideration. The extended five-year warranty will apply to ASME air receivers if they are installed on rubber vibro isolator pads or approved equivalent.

    5 Year Electric Motor
    Any Gardner Denver package purchased after January 1, 2003 built with a Baldor electric motor are warranted for 60 months from start-up or 63 months from shipment. Other manufacturer’s motors furnished due to customer request or special requirements carry the motor manufacturer ’s warranty.

    Package Warranty
    Gardner Denver warrants each new air compressor package to be free from defects in material and workmanship under normal use and service for a period of one year (12 months) from the date of installation or 15 months from the date of shipment by Gardner Denver. Units manufactured in Canada have a pump and package warranty for two (24 months) years.

    Limited Warranty
    Warranty shall not apply to any equipment which has been subjected to misuse, neglect or accident, nor shall it apply to any equipment that has been repaired or altered by any person(s) not authorized by Gardner Denver. Failure caused by lack of proper maintenance is not covered by warranty. In no event shall Gardner Denver be liable for consequential damages or contingent liabilities arising out of failure of any compressor or part to operate properly. When a compressor pump or component is changed or replaced during the warranty period, the new/replaced item(s) is warranted for only the remainder of the original warranty period. Complete warranty details are included in compressor operating manual.

    U.L. Standards
    Gardner Denver, in common with other major, industrial compressor manufacturers, does not market compressors which are U.L. listed. In general, U.L. is concerned with electrical components that may be utilized on compressor units, rather than a complete compressor package or system. All electrical components used on Gardner Denver compressors are U.L. listed. Each component – motor, starter, pressure switch, control panel – carries a U.L. identification mark on the nameplate or inside the electrical enclosure cover. The mark will be the letters “UR ” reversed (as if held up to a mirror), indicating the item is “recognized” by U.L. On tankmounted units, the air receiver tank and tank pressure relief valve are ASME Code. The tank carries a National Board Registration number which appears on a stamped, metal plate welded to the tank.

    All units are built to ISO 9001 standards.