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Thank you very much for choosing a Roughneck™ Product! For future reference, please complete 

the owner’s record below:

      Model: _______________     Purchase Date: _______________

Save the receipt, warranty and these instructions. It is important that you read the entire manual 

to become familiar with this product before you begin using it. 

This machine is designed for certain applications only. The distributor cannot be responsible for 

issues arising from modification. We strongly recommend this machine is not modified and/or 

used for any application other than that for which it was designed. If you have any questions 

relative to a particular application, DO NOT use the machine until you have first contacted 

distributor to determine if it can or should be performed on the product.  

For technical questions, please call 

1-800-222-5381.

WARNING: 

Read carefully and understand all INSTRUCTIONS before operating. 

Failure to follow the safety rules and other basic safety precautions may result in 

serious personal injury.

Save these instructions in a safe place and on hand so that they can be read when required. 

Keep these instructions to assist in future servicing.

INTRODUCTION

These products are positive displacement gear pumps. Depending on installation and viscosity, 

these pumps can deliver up to 15 GPM (57 LPM). Their rugged design makes for a long life of 

dependability.

TECHNICAL SPECIFICATIONS

• Inlet: 2in. male on tank adapter, 1in. female on pump

• Outlet: 3/4in. female 

• Built-in bypass valve. 

• Furnished with: 

• 13ft. delivery rubber hose

• 1-pc. steel suction pipe

• 1-pc. aluminum manual nozzle.

• 2in. quick-change coupling

• Electrical Specifications

The above flow rate only indicates the flow rate for the outlet. Once connecting with the 

hose and nozzle, the flow rate may change.

Fluid compatibility 

If in doubt about compatibility of a specific fluid, contact supplier of fluid to check for any 

adverse reactions to the wetted materials.

The pump is compatible with the following fluids:

• Diesel, Kerosene, Mineral spirits

Do not use the pump with the following fluids:

• Gasoline, Water, Sulfuric acid, Naphtha, Methanol, Methyl Ethyl ketone (MEK), Acetone, 

Ammonia, Benzene, Bleach, Chlorine.

WARNING:

 This product should not be used for fluid transfer into aircraft. This 

product is not suited for use with fluids for human consumption or fluids containing water.

12V FUEL TRANSFER PUMP

OWNER’S MANUAL

12V FUEL TRANSFER PUMP OWNER’S MANUAL

Item # 37889

1 of 6

Model

Current

DC

Voltage

12

Maximum (Amp)

40

ELECTRICAL POWER

CURRENT

Flow Rate

(GPM)

15 GPM

37889

WARNING: 

Read carefully and understand all ASSEMBLY AND OPERATION 

INSTRUCTIONS before operating. Failure to follow the safety rules and other 

basic safety precautions may result in serious personal injury.

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