AF300-TKX Manual Drive Unit

Product overview

The AF300-TKX Manual Drive Unit pairs the AF300 Axial Flux motor and FD900 inverter with a Tremec TKX five-speed manual. The bellhousing and a complete clutch assembly are included: flywheel, friction disc, pressure plate, and hydraulic release bearing. Assembled at Formosa EV and ready to install.

Clutch and mounting

Complete clutch assembly and custom bellhousing.

Flywheel, friction disc, pressure plate, and hydraulic release bearing.

Motor and bellhousing integration

Tremec TKX five-speed

A real five-speed manual with three shift lever locations. Use the clutch for shifts at speed; clutching is optional at stops. Leave it in 3rd gear for easy driving.

Clutch and mounting interface

Hydraulic clutch in Formosa EV’s custom bellhousing. A complete clutch assembly includes the flywheel, friction disc, pressure plate, and hydraulic release bearing.

Motor packaging

260 kW (349 hp) and 545 Nm (402 lb-⁠ft) peak motor ratings at 400 V. Motor weight: 28.6 kg (63 lb).

Configurations and finish

Complete with TKX, or motor and inverter only. Front cover and bellhousing: gray anodize standard; other colors on request. Black motor plastic is factory standard.

Motor / Inverter / Integration

Formosa EV FD900.

The separate FD900 inverter controls the AF300 motor.

The FD900 is preconfigured for smooth operation. Choose the complete drive unit with TKX, or motor and inverter only; plan mounting, high-voltage connections, coolant routing, and controls with Formosa EV.

Technical specifications

Values shown are motor and transmission component ratings, rather than complete drive-unit output.

Motor peak power

260 kW (349 hp) at 400 V

Motor peak torque

545 Nm (402 lb-⁠ft) at 400 V

Motor peak speed

5,800 rpm (10 s)

Motor peak torque density

About 110 Nm/⁠L

Motor weight

28.6 kg (63 lb)

Motor type

Axial-flux, 3-phase AC permanent magnet

Inverter

Formosa EV FD900

FD900 inverter output

500 kVA peak / 450 kVA continuous

FD900 phase current

600–⁠700 A rms rated; 900 A rms maximum

FD900 operating voltage

400 V maximum; 450 V with active inverter speed limiting

FD900 switching frequency

10–20 kHz

FD900 weight

17.5 kg (39 lb)

FD900 dimensions

460 × 355 × 100 mm (18.1 × 14.0 × 3.9 in)

FD900 cooling

Liquid cooled; 10–⁠18 L/⁠min

FD900 communications

CAN 2.0 A/B, Ethernet, and RS485; integrated HV contactor

Transmission

Tremec TKX five-speed manual

Gear ratios

3.27 / 1.98 / 1.34 / 1.00 / 0.72; reverse 3.00

Transmission torque capacity

600 lb-⁠ft (813 Nm)

Transmission maximum speed

8,000 rpm

Transmission dry weight

99 lb (45 kg)

Transmission length

30.78 in (782 mm)

Input/output splines

26 / 31

Shift lever locations

Three

Complete assembly weight

106 kg (234 lb), including FD900

Complete assembly envelope

914 × 375 × 330 mm (36 × 14.75 × 13 in), excluding FD900

Motor and bellhousing protection

IP67; excludes FD900 inverter and TKX

Installation and configuration

The FD900 is preconfigured. Formosa EV configures the battery for the selected drive system.

Plan mounting, transmission clearance, and harness routing for a front-engine RWD setup using the TKX platform.

Discuss component selection and vehicle fit