Specifications include, but are not limited to: 1) Cab Type: 2025 Model Conventional (Aluminum Preferred) 2) Load Rating: 73,000 GVW 3) Wheelbase: Around 250 in. to meet 171-172 in. cab to trunnion 4) Cab to trunnion:Around 172 inches 5)Front axle:22,000 lbI-beamw/heavy duty power steering-set forward axle multi-leaf Shackle type springs with shocks 6) Rear Axle: 4.56 Ratio Tandem,46,000 lbs. with lube pump, driver controlled locking(forward and rear) Hendrickson HMX460-54 walking beam type: 54inch axle spacing 10.5" ride height 7) Brake Type: Air a)16CFM minimum capacity Preferred Bendix ADIS(wabco system saver an option) heated air dryer with steel air tanks, steel straps not to interfere with dump box or underbody and mounts and with trailer package. b)Front: 16.5" x 6"Heavy Duty S-Cam d) Rear: 16.5"x 8.6" Heavy Duty S-Cam e) Haldex Auto Slacks w/ stainless hardware 8) Rims/Tires: All Rims Aluminum Level 1 Polish- Anti-corrosion inserts between brake drums and wheels and in between rear wheels a) Fronts: 4.25/65R22.5 20 ply radial Mich.XYZ-3 b) Rears: 11R22.5 16 ply XDN2 9) Frame Type: Heat Treated Alloy Steel a)110,000 PSI Minimum Yield Strength b) 24" front frame extension c) Inner frame reinforcement at front suspension if necessary 10) Engine: Diesel: Minimum 430hp Minimum 1650 lb-ft torque (X-12Cummins preferred) a) Engine brake b) Rust proof oil pan c) Single turbo d) Maximum available radiator,extended life antifreeze auto fan control with manual dash switch and light e) Engine block heater: 1500 watt 11) Transmission:Allison 4500 RDS auto with PTO provision a) Allison vocational package 223 ratings for on-off highway application b) Low gear start 1 high gear 6 c)1800 rpm primary mode shift speed-2600 rpm maximum pto speed d) Gauge : dash mounted temp and/or warning light