E501-C / E511-C

E501-C / E511-C

The E500 Series Motor Pump is specifically designed for mounting on specialized attack vehicles. Equipped with Kubota 899cc diesel engine and Waterous fire pump. Available in two models: E501 or E511.

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MAXIMUM FLOW1104206.610077000.7
MAXIMUM PRESSURE502003.34002828002.8
MAXIMUM FLOW275100016.5503.53500.35
MAXIMUM PRESSURE1004006.51901313001.3

Pump Specifications:    


  • E501-C:  2 inch female NPT
  • E511-C: 3 inch female NPT (Optional 3 inch Victaulic Adapter)  


  • E501-C: 1-1/2 inch female NPT
  • E511-C: 2 inch female NPT (Optional 2 inch Victaulic Adapter)

Volute Body and Head:

High-strength aluminum alloy protected by a proprietary dual anodizing and sealing process for superior corrosion protection and resistance to acids and alkaline solutions.


High-strength, corrosion-resistant bronze, fully enclosed, double-hubbed to balance hydraulic thrust, mechanically balanced to eliminate vibration.

Impeller Shaft:

Integral driven gear and shaft made of hardened steel, nickel-plated for wear and corrosion resistance. Wear Rings: Long wearing bronze. Easy to replace when required to restore original pump efficiency.

Drive Shaft and Gear:

High-strength stainless steel shaft and a heat-treated ductile iron gear.

Shaft Seal:

Spring-loaded mechanical type. Wear and heat resistant silicon-carbide.

Gear Case:

Two-gear speed increaser utilizing high-strength aluminum alloy case. Helical cut gears for reduced wear and noise and anti-friction bearings throughout.

Dimensions and Weights:


Length (in/cm)

Width (in/cm)

Height* (in/cm)

Weight (lb/kg)


34.39 (87.4)

20.8 (52.8)

25 (63.5)

252 (115)


35.28 (89.6)

20.8 (52.8)

25 (63.5)

237 (108)


Engine Specifications:


Kubota, Model D902-E3B, Super Mini Series, in-line 3-cylinder, water-cooled, naturally aspirated delivering a maximum output of 24.8 hp (18.5 kw) @ 3600 RPM, 54.8 cu. in. (898 cc) displacement, 4-cycle, diesel fueled.

Lubrication: Pressure fed with spin on filter.

Starter: 12-14 volt, 1.2 kW

Emission Regulation: Tier 4

Alternator: 12 VDC, 40 AMP

Options and Accessories:

  • Priming System: The priming system consists of either a Waterous' hand or electric primer shipped loose for remote mounting.
  • Exhaust System: Spark Arrestor
  • Control Panel: New Control Module - Allows the operator to change operating parameters electronically with a touch of a button

Options and Accessories

  • Priming System options include Waterous' hand and electric primers, shipped loose for remote mounting.
  • Deluxe Control panels specifically designed for the E500.
  • No Panel Option

Sales/Application/Service Help

Industry-leading sales and support.

When you purchase Waterous equipment, not only do you get quality products, you get quality service. Our expert service technicians are the best in the business and they are always happy to answer any service questions you might have. The numbers for our service and training specialists are listed below for your convenience. If you have a general service question please call our main number and our staff will kindly direct you to the appropriate department.

Sales/Applications Assistance

Phone: 651-450-5234 (Press 3)


Service Assistance
Phone: 651-450-5200
Fax: 800-488-1228