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2" Gas Powered Diaphragm Pump

Honda GX120
Model Number
69-G633
23% Off Special Price $2,045.31 Regular Price $2,656.25
AMT_336g 2" gas mud diaphragm pump

AMT 69-G633

Mud pump. Powered by 4 HP Honda GX 120 Engine. AMT 2" Diaphragm pumps features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. Often referred to as Mud pumps, mudhog or Sludge pumps, diaphragm pumps are designed to pump mud, slurry, sewage, and thick water liquids that have the ability to flow. Often used at marina's instead of a macerator. For portable toilet and sewer contractors on a honey wagon. AMT Diaphragm pumps are available with a choice of drivers to meet your application requirements: Honda gasoline engines. Built-in molded polyurethane flapper/check valve assures self-priming to 20 feet after initial prime. Heavy duty gear box is designed to operate pumps at 60 strokes per minute. Each unit includes a 2" NPT steel suction strainer, two 2" NPT nipples, and wheel kit with 10" semi-pneumatic transport wheels for portability. Pumps are designed for use with non-flammable liquids which are compatible with pump component materials. 336g-96 Mud Trash pumps Suction and discharge port size cannot be reduced.

  • Sand Cast Aluminum Construction for Portability and Durability
  • Thermoplastic Rubber Diaphragm
  • 2" NPT Suction and Discharge
  • 1 5/8" Diameter Solids Handling Capability
  • Modular Component Design Permits Easy Maintenance and Cleanout
  • Hardened forged gears extend pump life and provide efficient power transmission from the engine to the pump
  • Straight through water flow design provides high production pump capacity and less down time blockages
  • Surge chamber on inlet side results in smooth pumping operation by absorbing pressure spikes while reducing wear
  • Self cleaning flow path
  • Delivers up to 30 GPM
  • Oil bath gear box

As a alternate in a centrifugal pump design see

316F-95

See Curve "A" 

Suction and discharge port size cannot be reduced. Due to positive pumping action of diaphragm pumps, by all mfr's, the discharge is recommended to only be 25FT long unless oversized. Discharge can not be restricted. There is no relief valve.

More Information
Model Number 69-G633
part number 69-999-G633
Series AMT Mud Diaphragm Pumps
Max Flow (GPM.) 30
Max Flow GPH 1800
TDH Maximum (Ft) 25
TDH Maximum (PSI) 11
Horse Power (HP) 4
Horsepower (IE .5, 1, 1.5, 20) 4.0000
inlet size 2in
Inlet (In.) 2
Outlet (In.) 1
Wetted Materials Aluminum
Elastomers / O-ring Buna-Nitrile
Diaphragm Santoprene
Motor Amps (A) 2
Motor ODP
Self Priming ----
Suction Lift (FT.) 5
Max Operating Temperature (F) 120
Max Particle Size (In) .2
Viscosity Catsup 3000.00 cp 20000.00 ssu
Length (In.) 42.200000
Mechanical Seal No
Mechanical Seal Type Double
Impeller Size (IN.) b
Impeller Number (In.) 3
Other amt pump
Rotation cw
Drain No
Country of Manufacture United States
Weight (Lbs) 50.000000
Warranty (YRS.) 1

Supporting Docs

Supporting Docs
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(Size: 1.86 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.