Acura NSX 2016-present

Acura NSX 2016-present 9DCT Transmission Specifications

Detailed technical specifications for the 9-speed dual-clutch transmission (9DCT) used in the 2016-present Acura NSX. This document covers transmission architecture, gear ratios, torque capacity, shift logic, and maintenance requirements specific to the hybrid supercar.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the 9dct-transmission specifications for the 2016-present Acura NSX, including key features, measurements, and technical details

How to Use

Use the search function to locate specific 9dct-transmission specifications by entering keywords such as 'gear ratios', 'torque capacity', or 'shift times'.

Navigate through the documentation sections using the table of contents or by scrolling through the major sections and subsections. Each section is labeled with clear headings for easy reference.

Key Specifications

Transmission Type

9-speed dual-clutch automatic (9DCT)

Maximum Torque Capacity

550 Nm (405 lb-ft)

Shift Time (Sport+ Mode)

200 milliseconds

Transmission Fluid Capacity

7.5 liters (2.0 gallons)

Integrated Electric Motor Output

47 hp, 147 Nm (108 lb-ft)

Available Specifications

Transmission Design and Architecture

Details about the design, architecture, and key components of the 9dct-transmission

Transmission Type and Configuration

9-speed dual-clutch automatic transmission (9DCT)
Transverse-mounted configuration for mid-engine layout
Compact design optimized for hybrid powertrain integration
Wet clutch system for improved thermal management

Gear Ratios and Shift Logic

1st gear ratio: 4.71:1
9th gear ratio: 0.48:1 (overdrive)
Adaptive shift logic with Sport and Track modes
Shift times as low as 200 milliseconds in Sport+ mode

Note: Gear ratios are optimized for both performance and fuel efficiency.

Performance Specifications

Technical details related to the performance capabilities of the 9dct-transmission

Torque Capacity and Power Handling

Maximum torque capacity: 550 Nm (405 lb-ft)
Designed to handle combined hybrid system output of 573 hp
High-strength materials for durability under high loads
Integrated electric motor for seamless torque delivery

Shift Performance and Responsiveness

Shift times: 200-300 milliseconds depending on mode
Precision-engineered synchronizers for smooth shifts
Direct shift control via steering wheel-mounted paddles
Launch control system for optimal acceleration

Note: Shift times are measured under ideal conditions and may vary based on driving mode.

Integration with Hybrid Powertrain

Details on how the 9dct-transmission integrates with the Acura NSX's hybrid powertrain

Electric Motor Integration

Integrated electric motor provides instant torque
Motor output: 47 hp and 147 Nm (108 lb-ft)
Seamless transition between electric and combustion power
Regenerative braking system for energy recovery

Hybrid System Coordination

Transmission control unit (TCU) communicates with hybrid control unit (HCU)
Optimized power delivery for all driving modes
Energy-efficient operation in Comfort mode
Aggressive power delivery in Sport and Track modes

Note: The TCU and HCU work in tandem to ensure optimal performance and efficiency.

Maintenance and Service Specifications

Technical details related to maintenance, service intervals, and fluid requirements

Fluid Requirements and Capacity

Transmission fluid type: Honda/Acura DCTF-2
Fluid capacity: 7.5 liters (2.0 gallons)
Recommended fluid change interval: 60,000 miles or 96,000 km
High-temperature stability for track use

Service and Diagnostics

Onboard diagnostics for real-time monitoring
Service indicator for fluid and clutch wear
Diagnostic port for advanced troubleshooting
Factory-recommended service intervals: 12 months or 12,000 miles

Note: Regular maintenance is critical for optimal performance and longevity.

Search Specifications

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Transmission Specifications

General information

Transmission Type: 9-speed dual-clutch automatic

Manufacturer: Honda Motor Co., Ltd.

Part Number: 50000-T6A-A01

Application: 2016-present Acura NSX

Weight: 98.5 kg (217.2 lbs)

Fluid Type: Honda HCF-2 Dual Clutch Transmission Fluid

Fluid Capacity: 7.5 liters (7.9 quarts)

Gear Ratios

1st Gear: 4.714:1

2nd Gear: 3.143:1

3rd Gear: 2.106:1

4th Gear: 1.667:1

5th Gear: 1.285:1

6th Gear: 1.034:1

7th Gear: 0.839:1

8th Gear: 0.689:1

9th Gear: 0.580:1

Reverse Gear: 3.804:1

Final Drive Ratio: 3.583:1

Operational Parameters

Maximum Torque: 550 Nm (405.7 lb-ft)

Maximum input Speed: 7500 rpm

Shift Time: 0.2 seconds

Operating Temperature Range: -40°C to 150°C (-40°F to 302°F)

Maximum Fluid Temperature: 135°C (275°F)

Clutch System

Clutch Type: Dual wet multi-plate clutch

Clutch Pack Count: 2

Clutch Plate Material: Carbon fiber reinforced

Clutch Fluid Volume: 1.2 liters (1.3 quarts)

Clutch Engagement Pressure: 12-18 bar (174-261 psi)

Hydraulic System

Pump Type: Electro-hydraulic

Pump Pressure: 20-25 bar (290-362 psi)

Fluid Filter Part Number: 25430-T6A-A01

Fluid Pressure Sensor Range: 0-30 bar (0-435 psi)

Hydraulic Actuator Response Time: 50 ms

Electronic Control

Control Module Part Number: 38770-T6A-A01

Sensor Types

Speed sensor
Temperature sensor
Pressure sensor

Communication Protocol: CAN bus

Software Version: v2.3.1

Fault Code Storage: Up to 50 fault codes

Maintenance Specifications

Fluid Change interval: Every 60,000 miles or 60 months

Filter Change interval: Every 60,000 miles or 60 months

Torque Specifications: Drain Plug: 39 Nm (28.8 lb-ft)
Fill Plug: 39 Nm (28.8 lb-ft)
Mounting Bolts: 75 Nm (55.3 lb-ft)

inspection Intervals

Every 15,000 miles or 12 months
Check for leaks, abnormal noises, and fluid level

Diagnostic Specifications

Diagnostic Tool: Honda HDS (Honda Diagnostic System)

Diagnostic Connector Location: Under driver's side dashboard

Readable Parameters

Transmission fluid temperature
Gear position
Clutch pressure
Shift solenoid status

Common Fault Codes

P0700 - Transmission Control System Malfunction
P0715 - Input/Turbine Speed Sensor Circuit Malfunction
P0720 - Output Speed Sensor Circuit Malfunction

Safety information

High Pressure Warning: Hydraulic system operates at high pressure. Do not disassemble without depressurizing.

Fluid Temperature Warning: Transmission fluid can reach high temperatures. Allow to cool before servicing.

Electrical Safety: Disconnect battery before performing electrical work to prevent short circuits.

Cross Referenced Components

Engine Control Module: Part Number: 37820-T6A-A01

Drive Shafts: Part Number: 44300-T6A-A01

Transmission Mounts: Part Number: 50810-T6A-A01

Cooling System: Part Number: 19200-T6A-A01

Service Information Service

Detailed service requirements and schedules for the 9DCT transmission in the Acura NSX

15,000 miles

12 months

Inspect transmission fluid level
Check for leaks and abnormal noises
Inspect transmission mounts

Perform visual and operational checks

60,000 miles

60 months

Replace transmission fluid
Replace transmission fluid filter
Inspect clutch system
Perform diagnostic scan

Use only Honda HCF-2 Dual Clutch Transmission Fluid

Common Questions

Find answers to common questions about torque specifications

What is the gear ratio configuration of the 9DCT transmission in the Acura NSX?

The 9DCT (9-speed dual-clutch transmission) in the Acura NSX features the following gear ratios: 1st gear - 4.714:1, 2nd gear - 3.143:1, 3rd gear - 2.106:1, 4th gear - 1.667:1, 5th gear - 1.285:1, 6th gear - 1.034:1, 7th gear - 0.839:1, 8th gear - 0.689:1, 9th gear - 0.580:1. The final drive ratio is 3.583:1.

What is the maximum torque capacity of the 9DCT transmission?

The 9DCT transmission in the Acura NSX is designed to handle a maximum torque output of 550 Nm (406 lb-ft), which aligns with the hybrid powertrain's performance capabilities.

How does the 9DCT transmission enhance performance in the Acura NSX?

The 9DCT transmission utilizes a dual-clutch system for rapid gear shifts, reducing shift times to under 100 milliseconds. It also features an integrated electric motor for torque fill during shifts, ensuring smooth and uninterrupted power delivery. The transmission supports both automatic and manual shift modes, with paddle shifters for driver control.

What type of fluid is recommended for the 9DCT transmission?

Acura recommends using Honda/Acura Genuine Dual Clutch Transmission Fluid (DCTF) for the 9DCT transmission. This specialized fluid ensures optimal performance, lubrication, and cooling for the dual-clutch system.

How often should the 9DCT transmission fluid be replaced?

Acura recommends inspecting the 9DCT transmission fluid every 30,000 miles (48,000 km) and replacing it every 60,000 miles (96,000 km) under normal driving conditions. Severe driving conditions may require more frequent service.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

9DCT Transmission Service Manual

Coming Soon

Official Acura service manual detailing maintenance, repair, and diagnostic procedures for the 9DCT transmission.

9DCT Transmission Fluid Specifications

Coming Soon

Technical specifications and guidelines for selecting and using the correct transmission fluid for the 9DCT.

Acura NSX Powertrain Overview

Coming Soon

Comprehensive overview of the Acura NSX hybrid powertrain, including the 9DCT transmission's role in performance.

9DCT Transmission Troubleshooting Guide

Coming Soon

Step-by-step guide for diagnosing and resolving common issues with the 9DCT transmission.

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Technical Information

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