Specifications

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- Roof Crush
The cab shall be subjected to a roof crush force of 22,050 lbs. This value meets the ECE 29 criteria
and is equivalent to the front axle rating up to a maximum of 10 metric tons.
- Additional Roof Crush
The same cab shall be subjected to a roof crush force of 100,000 lbs. This value exceeds the ECE 29
criteria by nearly 4.5 times.
- Side Impact
The same cab shall be subjected to dynamic preload where a 13,275 lb moving barrier slams into the
side of the cab at 5.5 mph at a force of 13,000 ft-lbs. This test is part of the SAE J2422 test procedure
and more closely represents the forces a cab shall see in a rollover incident.
- Frontal Impact
The same cab shall withstand a frontal impact of 32,600 ft-lbs of force using a moving barrier in
accordance with SAE J2420.
- Additional Frontal Impact
The same cab shall withstand a frontal impact of 65,200 ft-lbs of force using a moving barrier, (twice
the force required by SAE J2420).
The same cab shall withstand all tests without any measurable intrusion into the survival space of the
occupant area.
There shall be no exception to any portion of the cab integrity certification. Nonconformance shall lead
to immediate rejection of bid.
CAB DOOR DURABILITY CERTIFICATION Bidder Complies: Yes ( ) No ( )
Robust cab doors help protect occupants. Cab doors shall survive a 200,000 cycle door slam test
where the slamming force exceeds 20 G's of deceleration. The bidder shall certify that the sample
doors similar to those provided on the apparatus have been tested and have met these criteria without
structural damage, latch malfunction, or significant component wear.
WINDSHIELD WIPER DURABILITY CERTIFICATION Bidder Complies: Yes ( ) No ( )
Visibility during inclement weather is essential to safe apparatus performance. Windshield wipers shall
survive a 3 million cycle durability test in accordance with section 6.2 of SAE J198 Windshield Wiper
Systems - Trucks, Buses and Multipurpose Vehicles. The bidder shall certify that the wiper system
design has been tested and that the wiper system has met these criteria.
ELECTRIC WINDOW DURABILITY CERTIFICATION Bidder Complies: Yes ( ) No ( )
Cab window roll-up systems can cause maintenance problems if not designed for long service life. The
window regulator design shall complete 30,000 complete up-down cycles and still function normally
when finished. The bidder shall certify that sample doors and windows similar to those provided on the
apparatus have been tested and have met these criteria without malfunction or significant component
wear.
SEAT BELT ANCHOR STRENGTH Bidder Complies: Yes ( ) No ( )
Seat belt attachment strength is regulated by Federal Motor Vehicle Safety Standards and should be
validated through testing. Each seat belt anchor design shall withstand 3000 lb of pull on both the lap
and shoulder belt in accordance with FMVSS 571.210 Seat Belt Assembly Anchorages. The bidder shall
certify that each anchor design was pull tested to the required force and met the appropriate criteria.