My Cart

3" Engine Driven Self-Priming Trash Pump

8HP Diesel 3" Electric start
Model Number


Diesel Trash pump 3" with Electric Start. Self-priming Centrifugal Trash pumps include easy cleanout with replaceable cast iron impeller and volute that resist abrasion/wear. All pumps feature aluminum housing, cast iron wear parts, built-in check valve, suction strainer and heavy duty steel roll frame. Heavy duty cast iron flanges with male NPT threads that rotates in 90° increments. Easy access fill plug on discharge port. Standard Features

  • Cast Aluminum with Internal Cast Iron Wear parts for Durability
  • Engine : Hatz Diesel 1B40 with Electric start
  • Maximum Solids Handling up to 2
  • Maximum Flow up to 530 GPM
  • Maximum Head up to 112 Ft.
  • Self-Priming to 26 Ft.
  • Cast Iron Impeller
  • Silicon Carbide Mechanical Seal with Graphite Impregnated Seat and FKM&reg Elastomers
  • Heavy Duty Steel Roll Frame and Strainer Included
  • Built-in Check Valve
  • Removable/Replaceable Cast Iron Suction / Discharge Ports
  • Vibration Dampening Feet
  • Maximum Temperature 180° F
  • Optional Wheel Kit Available

3942-D6 version is no longer available.

AMT, IPT, OTS pumps Div. of Gorman-Rupp

More Information
Model Number 3S9XZR
part number 3S9XZR-999-
Series Trash Pumps Gas Diesel Engine Powered
Max Flow (GPM.) 380
Max Flow GPH 22800
TDH Maximum (Ft) 110
Horse Power (HP) 8
Horsepower (IE .5, 1, 1.5, 20) 8.0000
Inlet Connection Type MNPT
inlet size 3"
Inlet (In.) 3
Outlet Connection Type MNPT
Outlet (In.) 3
Wetted Materials Aluminum
Elastomers / O-ring EPDM
Motor Diesel Engine
Self Priming Yes
Max Operating Temperature (F) 180
Viscosity SAE 10 oil 88.00 cp 500.00 ssu
Mechanical Seal FKM
Mechanical Seal Face SiC
Mechanical Seal Type Single
Other see curve D
Impeller Material 2 Vane open type. Ductil Iron
Drain Yes
Port Rotation Yes
Run Time (HR.) 2.7 hours
Fuel Tank Size 1.43/5.4 (Gal/Ltr.)
Country of Manufacture United States
Weight (Lbs) 240.000000
UPC 072684652448
Warranty (YRS.) 1
GPM Of Water At 40 Feet Of Head 280
GPM Of Water At 60 Feet Of Head 210
GPM Of Water At 80 Feet Of Head 130

Supporting Docs

Supporting Docs
(Size: 1.34 MB) Extension: pdf

AMT Pump Company is A Subsidiary of The Gorman-Rupp Company located in Mansfield, Ohio. AMT offers over 1000+ different standard model numbers of which 400+ are readily available and offered as QSP, Quick Ship Products. AMT manufactures and sells Industrial / Commercial pumps & accessories through authorized distributors.

Virtually every product AMT sells is engineered and designed by the company. Pump components are machined, assembled and tested at the Royersford, Pennsylvania facility.

AMT’s unique designs and patented products have made the company the industry leader for their high quality pumps.