Specifications

The chassis shall include a single starting electrical system which shall include a 12 volt direct current
system, suppressed per SAE J551. The wiring shall be appropriate gauge cross link with 311 degree
Fahrenheit insulation. All SAE wires in the chassis shall be color coded and shall include the circuit
number and function where possible. The wiring shall be protected by 275 degree Fahrenheit minimum
high temperature flame retardant loom.
DATA RECORDING SYSTEM
The chassis shall have a Weldon Vehicle Data Recorder (VDR) system installed. The system shall be
designed to meet NFPA 1901. The following information shall be recorded:
 Vehicle Speed
 Acceleration
 Deceleration
 Engine Speed
 Engine Throttle Position
 ABS Event
 Seat Occupied Status
 Seat Belt Status
 Master Optical Warning Device Switch Position
 Service Brake
 Engine Hours
 Time
 Date
Each portion of the data shall be recorded at the specified intervals and stored for the specified length of
time to meet NFPA 1901 guidelines and shall be retrievable by connecting a laptop computer to the
VDR system. The laptop connection shall be a panel mounted female type B USB connection point,
remotely mounted in the left side foot well of the cab.
ACCESSORY POWER
The electrical distribution panel shall include two (2) power studs. The studs shall be size #10 and each
of the power studs shall be circuit protected with a fuse of the specified amperage. One (1) power stud
shall be capable of carrying up to a 40 amp battery direct load. One (1) power stud shall be capable of
carrying up to a 15 amp ignition switched load. The two (2) power studs shall share one (1) #10 ground
stud.
EXTERIOR ELECTRICAL TERMINAL COATING
All terminals exposed to the elements will be sprayed with a high visibility protective rubberized coating
to prevent corrosion.