2100 Series Heavy-Duty Mechanical Spring Starter (8L–12L Engine Range)

Model Positioning

Engineered specifically for mid-to-heavy duty multi-cylinder diesel engines with displacements from 8L to 12L, the 2100 Series represents the heavy-duty standard in mechanical emergency cranking. Designed for demanding applications such as standby generator sets, industrial pump stations, construction equipment, and marine auxiliary engines, the 2100 Series provides a high-torque, battery-free emergency start solution under severe power outage or extreme ambient conditions.

Series-Specific Innovations & Highlights

Torque Matched to 8–12L Engines: Precision-calibrated energy storage springs designed specifically to overcome high cylinder compression forces in 8–12L engines.
Heavy-Duty Impact-Resistant Core: Reinforced drivetrain and heat-treated gear mechanisms built to handle continuous high-torque release under frequent emergency test cycles.
Independent of the Power Grid: Pure mechanical energy storage operation, unaffected by dead batteries, damaged wiring or blackouts.
Spark-Free Operation: Zero electrical spark hazard, suited to oilfield, chemical processing and underground mining setups.
Flexible SAE Installation: Standard SAE flange mounting allows direct bolt-on replacement of an electric starter, with no modification to the flywheel housing. For twin-starter installation, a flywheel housing with two starter positions is required, and a custom dual-lug housing can be made for engines that have only one.

Engine Application Matrix

Field-proven across 8L–12L diesel engines from leading global and domestic manufacturers, including Cummins, Weichai, Yuchai, Shangchai, CAT, Volvo, Perkins, and Doosan.

Technical Specifications

Model Series	2100 Series
Engine Displacement Range	8L to 12L
Charging Mechanism	Manual Hand-Crank Storage (Reinforced Spring Assembly)
Flange Standards	SAE 1 / SAE 2 / SAE 3
Rotation Option	Clockwise (CW) / Counter-Clockwise (CCW)
Operating Environment	High and low temperature tolerance

View Specs

Parameters

Spring Starter Series		2100 Series
		HDP
		2100
Flange	SAE#	1,2&3
Engine Displacement	Liters (L)/cylinder & Max cylinder numbers	1.7&6
		1.4&8

Max pinion torque	Nm	126
Max winding torque	Nm	100
Weight	kg	21
Turns to fully wind	turns	2+11
L	mm	335
A	mm	117
B	mm	130