WICK SI 250 SERIES

Portable Fire Pump - 3 Stage

Portable three stage high pressure fire pump

Available Models

The WICK® SI 250 Series is a modern, high-performance solution for portable fire pumps, designed for professional use in demanding environments. It integrates cutting-edge technology with a Kohler Command Pro® 7 HP engine, delivering exceptional pressure, increased water flow, and reduced weight compared to competing models. The series is available in five distinct sub-models, fully addressing installation, transport, and operational requirements.

All models feature a foam-compatible three-stage pump end, anodized aluminum impellers and distributors, a maintenance-free speed increaser, rubber anti-slip mounts, and a rotatable pump and drive assembly for flexible positioning.

WICK SI 250 SERIES

Engine: Kohler Command Pro® Four Stroke (air-cooled)

Power: 7 HP gross @ 4000 RPM

Ignition: Electronic breakerless

Fuel Tank Capacity: 3.6 litres

Low oil sensor

WICK SI 250H SERIES

Engine: Honda 196 cc Four Stroke (air-cooled)

Power: 5.8 NET HP @ 3600 RPM

Ignition: Electronic breakerless

Fuel Tank Capacity: 3.1 litres

Dimensions & Weight

WICK® SI 250

Length	19.0" / 48.3 cm
Width	15.0" / 40.6 cm
Height	19.0" / 48.3 cm
Weight (Dry)*	53.0 lbs / 24.1 kg
Suction	2.0" / 50 mm NPSH
Discharge	1½" / 38 mm NPSH

* Add 6.0 lbs / 2.7 kg for electric start model

Dimensions & Weight (wraparound frame)

Length	20.9" / 53.1 cm
Width	18.6" / 47.2 cm
Height	17.0" / 43.2 cm
Weight (Dry)*	60.0 lbs / 27.3 kg

* Add 6.0 lbs / 2.7 kg for electric start model

WICK® SI 250H

Length	19.0" / 48.3 cm
Width	17.4" / 48.3 cm
Height	19.0" / 48.3 cm
Weight (dry)*	54.0 lbs / 24.5 kg
Suction	2.0" / 50 mm NPSH
Discharge	1½" / 38 mm NPSH

Technical Characteristics SI 250

Low level oil sensor
Automatic decompression system for easy one pull starting
Quad-clean™*all season four stage cyclonic air cleaner
Forged steel crankshaft with dual ball bearings
Pump end and speed increaser can be rotated to multiple positions
Base for vehicle mount, with carrying handle for easy transportation
Also available with wraparound tubular frame
Both frames include rubber anti-slip mounts
Optional electric start model
Emissions compliant with EPA/Carb Tier III
3 Year manufacturer’s warranty on the engine
Produces 43 to 65% greater pressure
Flows 25 to 30% more water at 100psi (6.9 Bar)
Can work in tandem at more than 400psi (28 Bar)
Anodized aluminum impellers and distributors

Technical Characteristics SI 250H

One of the quietest engines in its class
Automatic decompression system for easy one pull starting
Forged steel crankshaft with dual ball bearings
Up to 15% lighter than the competition
Produces 43 to 65% greater pressure
Flows 25 to 30% more water at 100psi (6.9 Bar)
Can work in tandem at more than 400psi (28 Bar)
3 Year manufacturer’s warranty on the engine
Anodized aluminum impellers and distributors
Maintenance-free speed increaser
Standard base for vehicle mount, with carrying handle for easy transportation
Also available with wraparound tubular frame
Both frames include rubber anti-slip mounts
Pump end and speed increaser can be rotated to multiple positions
Electric start (battery not included)

A wide range of accessories is available for the WICK 100-4 series, enhancing functionality and ease of use in the field. Depending on the model, you can add a manual priming pump, vertical discharge, carrying backboard, as well as components such as strainers, filters, nozzles, and maintenance tools.

Performance Chart

WICK® SI 250

Pressure (bar)	Flow Rate (L/min)	Head Pressure (m)
1.7	305	18
3.4	270	35
5.2	232	53
6.9	186	70
8.6	142	88
10.3	100	106
12.1	57	123
13.8	9	141

Performance Chart

WICK® SI 250H

Pressure (bar)	Flow Rate (L/min)	Head (m)
1.7	312.5	18
3.4	282	35
5.2	240	53
6.9	189	70
8.6	131	88
10.3	83.6	106
12.1	43	123
13.8	5.5	141

Download the product’s technical datasheet

All WICK SI 250 models

WICK SI 250

Reference No:
71WICKSI251-7K

WICK® SI 250 - 7 HP 4 Stroke Kohler , 3 stage pump end, integral fuel and base for vehicle mount.

Reference No:
71WICKSI251-7KE

WICK® SI 250 - 7 HP 4 Stroke Kohler, electric start, 3 stage pump end, integral fuel tank and base for vehicle mount.

Reference No:
71WICKSI251-7KEH

WICK® SI 250 - 7 HP 4 Stroke Kohler, electric start, 3 stage pump end, integral fuel tank
horizontal speed increaser and base for vehicle mount.

Reference No:
71WICKSI251-7KETR

WICK® SI 250 - 7 HP 4 Stroke Kohler, electric start, 3 stage pump end, integral fuel tank and c/w wraparound frame.

Reference No:
71WICKSI251-7KTR

WICK® SI 250 - 7 HP 4 Stroke Kohler, 3 stage pump end, integral fuel tank and c/w wraparound frame.

WICK SI 250H

Reference No:
71WICKSI251-7HE

WICK® SI 250H - 6.5 (5.8 net) HP 4 Stroke Honda, Electric start, 3 stage pump end, integral fuel tank and base for vehicle mount.

Reference No:
71WICKSI251-7HEH

WICK® SI 250H - 6.5 (5.8 net) HP 4 Stroke Honda, Electric start, 3 stage pump end, integral fuel tank, horizontal speed increaser and base for vehicle mount.