Pneumatic starter motor with manual engagement lever, exposed pinion drive gear and industrial flange mounting configuration

S40 spring starter motor

Name: S40 spring starter motor
Brand: Powerstart
Availability: InStock

The S40 Spring Starter is designed for diesel engines up to 7.8 litres, delivering dependable manual starting in all conditions.

Ideal for engines requiring more power than the S30 can provide, the S40 is a robust, clockwise-rotation starter used across a wide range of applications and engine brands.

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SOLUTION DETAILS

Built for larger diesel engines

The S40 Spring Starter is suitable for diesel engines up to 7.8 litres (476 cubic inches) and is available as a clockwise rotation model. It is the next step up from the S30, providing greater capability for engines with higher capacity or those requiring reliable starting in low temperatures.

Model range compatibility

Smaller engines can be started using the S20 or S30 spring starters, while larger engines may require the S50, S60, or S70 models.

Proven performance

The S40 is widely used across many engine brands, including Caterpillar, Cummins, Detroit, Man, Perkins, Scania, and Volvo. Its durable manual design makes it a trusted solution in demanding environments where reliability is critical.

Key Advantages

Engine capacity: Suitable for diesel engines up to 7.8 litres (476 cubic inches).
Ideal step up from S30: Designed for engines needing more torque or cold-start capability.
Wide application: Compatible with leading engine brands including Caterpillar, Cummins, Detroit, Man, Perkins, Scania, and Volvo.
Manual reliability: Operates without the need for batteries or external power sources.
Durable construction: Built for consistent performance in all weather conditions.