Who makes Toyota Tundra transmission?
The Toyota Tundra uses a 10-speed automatic transmission manufactured by Aisin Seiki Co., Ltd. (Aisin) under contract with Toyota, for both the standard gasoline model and the i-Force MAX hybrid variant.
Beyond identifying the maker, the question highlights the broader collaboration between Toyota and its suppliers to deliver a high-torque, durable gearbox capable of handling the Tundra’s performance needs while enabling a hybrid option. This arrangement reflects a common industry practice in which automakers rely on specialized suppliers to provide critical powertrain components.
Key facts about the Tundra's transmission
Before listing the core details, here is an overview of who makes the transmission, what it does, and how it fits into Toyota's lineup.
- Supplier: Aisin Seiki Co., Ltd. supplies the 10-speed automatic transmission used in the Toyota Tundra, including the i-Force MAX hybrid model.
- Configuration: A high-torque 10-speed automatic designed to work with Toyota's V6 gasoline engine and the hybrid system.
- Shared platform: The same or closely related 10-speed unit is used across several Toyota trucks and SUVs, illustrating a unified powertrain strategy.
- Role in hybrid: The i-Force MAX hybrid pairing uses the same 10-speed transmission with an integrated electric motor to deliver combined power and efficiency.
- Production and integration: The transmission is produced by Aisin under Toyota's program, with final calibration and integration handled by Toyota for the Tundra's driveline control systems.
In short, the collaboration with Aisin enables Toyota to offer a durable, high-torque transmission that supports both the gasoline Tundra and its hybrid variant, while maintaining consistent performance and reliability standards.
What this means for Tundra owners
For drivers, this arrangement emphasizes a proven supplier relationship behind the truck's shifting performance, with parts and service channels built around Toyota's engineering specifications and Aisin's manufacturing capabilities.
Summary
The Toyota Tundra relies on a 10-speed automatic transmission manufactured by Aisin Seiki Co., Ltd. under contract with Toyota. This transmission supports both the standard gas-powered setup and the i-Force MAX hybrid configuration, underscoring a long-standing, globally integrated supplier partnership that underpins the Tundra's performance, durability, and reliability.
