Automotive Components

General Engine Products

General Engine Products, a wholly-owned subsidiary of AM General is the Original Equipment Manufacturer (“OEM”) and designer of diesel engines and transmissions used in military and commercial applications.

We are the sole producer of the Optimizer 6500® V8 Diesel Engine, which proudly supports and sustains AM General vehicle platforms deployed by the United States military, the ministries of defense of our partners around the globe, and within various commercial and industrial markets.

Optimizer 6500®-290 — 160 hp / 290 lb.-ft.

Naturally-aspirated and mechanically controlled

Optimizer 6500®-380 — 190 hp / 380 lb.-ft.

Turbocharged and mechanically controlled

Optimizer 6500®-410 — 205 hp / 410 lb.-ft.

Turbocharged and mechanically controlled

General Transmission Products

The 4L85E transmission is a close-ratio four-speed automatic transmission that serves the heavy-duty service market, including AM General's Humvee, full-size vans, shuttle buses, delivery trucks and light motor homes.

The transmission has been refined and improved over 18 years, has been used in Humvee vehicles for 15+ years and continues to provide reliable performance on extreme terrain and climate conditions.
Incorporating electronic control modules, the 4L5E transmission provides consistent and precise shift points and shift quality.

These controls continuously monitor shift timing, internal and external conditions and adjust shifts for consistency. Shift stabilization limits the amount of hunting between gears when traveling through mountains, with or without a trailer.

The transmission of choice for AM General’s Humvee family of vehicles

Robust, durable, reliable and smooth shifting

Low warranty costs

Global distribution and service parts network

Through strategic partnerships, AM General has developed ABS systems that are specifically designed to operate in extremely difficult terrain and environments.

From -50° F (-45° C) to being completely submerged in saltwater, the AM General ABS system provides reliable durability and performance to our customers. We offer a full feature system that incorporates automatic braking with traction control and stability control. This ABS development has significantly improved stopping distance and reduced brake pad wear providing our customers improvements in safety, performance, and life cycle cost.
Suspension Systems
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Powertrain Components

General Engine Products (GEP) manufactures powertrain and drivetrain components to support AM General vehicle platforms as well as commercial, military and industrial markets.

A dedicated engineering staff provide production support, development of technology insertions, and new product development for our powertrain components.  The engineering staff supporting these products are also engaged in introducing product improvements through design and technology insertion in current production components and developing new products.

The team is also developing a new fuel delivery and head design for a diesel engine providing better performance, efficiency and emissions. The GEP engineering development team is skilled and experienced at understanding and providing solutions to our customers demanding requirements.