Caterpillar Starter Motor

Caterpillar fit a range of heavy duty starter motors and alternators to their diesel engines. The most common are Delco Remy, Denso, Bosch and Prestolite. Delco Remy are renowned for their heavy duty brushless alternators. Denso supply Caterpillar with a compact range of alternator and starter motor usually for their smaller range of diesel engine machines.

Denso is a Japanese manufacturer of starter motors and alternators. The starters comprise of permanent magnet gear reduction, offset gear reduction, and planetary gear reduction starters. Denso also supply internal and external fan alternators. In addition to passenger car rotating electrics Denso supply for industrial application including tractors, marine, plant, refrigeration and many other applications.

DENSO’s starter motors are engineered to provide reliable and efficient engine cranking across a wide range of vehicle applications. Designed for compactness and durability, they deliver high torque output with minimal power consumption. The range includes conventional reduction gear starters, lightweight permanent magnet models, and advanced stop-start system units that ensure rapid and frequent restarts with minimal wear.

The company’s alternators are developed to deliver high output and superior efficiency in demanding conditions. DENSO alternators are compact, lightweight, and incorporate advanced cooling and voltage regulation technologies for stable performance. High-efficiency and segment conductor types further enhance energy conversion, contributing to reduced fuel consumption and lower CO₂ emissions.

Through continuous innovation and rigorous testing, DENSO ensures its starter motors and alternators meet the highest standards of performance, durability, and environmental responsibility, making them a preferred choice for both original equipment and aftermarket applications.