KKK-A-1822 E
3.1.6
FOUR WHEEL DRIVE, CLASS 2, 4x4.
When a 4x4 chassis is specified (see 6.2-b), the additional curb weight of the 4x4 chassis
above the 4x2 chassis will reduce the payload proportionally. When available, a Class 2
ambulance shall be an original chassis manufacturer's (OEM) 4x4 chassis for Type 1
ambulances, or an OEM 4x2 model with a professionally engineered conversion to a four
wheel drive (4x4) conforming to all applicable requirements herein. All workmanship,
welding, mechanical fit, grade, and quality of components and materials used in conversions
shall be equal to or greater than OEM manufacturer's production 4x4 units. Conversion
components shall not interfere with other body, chassis, or mechanical parts through the
complete range of suspension and wheel angle travel and allow proper alignment of axles.
The tracking and wheelbase of the front/rear axles shall be identical on both sides of the
vehicle. When available, the chassis manufacturer's OEM components used on the chassis
manufacturer's other models with the same or greater GAWRs and GVWRs shall be
furnished, including, but not limited to: spring hangers, shackles, drive axle, integral
transmission/transfer case, universal joints, steering linkage, stabilizer bars, radius and torque
rods, transfer case shaft linkage, brake calipers, pads, rotors, shock absorbers, and springs.
When available, the chassis manufacturer's guidelines/requirements for 4x4 conversions
shall be followed. The design of the 4x4 conversion shall minimize the height of the vehicle's
chassis. The 4x4 converter shall include a complete chassis modifier FMVSS certification
and sticker.
The 4x4 converter shall provide to the purchaser a full parts and labor warranty covering
all added 4x4 parts and materials, including workmanship and design. The warranty shall
also cover all OEM components affected or modified by the conversion process. This
warranty shall be at least equivalent, in mileage and time, to the OEM chassis manufacturer's
warranty, including any extended warranties required or furnished.
Accompanying each conversion shall be complete manuals showing operation, maintenance,
and repair procedures, chassis manufacturer's part numbers, drawings for components
used in the conversion, and dimensioned drawings for manufactured parts, alignment
procedures, and specifications.
3.2
VEHICLE, AMBULANCE COMPONENTS, EQUIPMENT,
AND ACCESSORIES.
The emergency medical care vehicles; including chassis, ambulance body, equipment, devices,
medical accessories, and electronic equipment shall be standard commercial products, tested
and certified to meet or exceed the requirements of this specification. The ambulance shall
comply with all Federal Motor Vehicle Safety Standards (FMVSS) and other Federal and
state regulations applicable or specified for the year of manufacture. The chassis, components,
and optional items shall be as represented in the chassis manufacturer's current technical
data. The ambulance body, equipment, and accessories shall be as represented in their
respective manufacturer's current technical data. Data shall be limited to specifications and
technical materials identical to that furnished to the authorized company representatives and
shall be furnished to the engineering/technical offices of the procuring activity and the supplier's
(contractor's) offices prior to acceptance of the ambulance. The supplier shall provide total
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