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The 2016 Peterbilt 389 is equipped with a robust Cummins ISX15 engine producing 485 horsepower, making it a powerful choice for heavy hauling needs. It features a Eaton Fuller RTLO-16913A 13-speed manual transmission, optimizing both performance and fuel efficiency. This specialty truck supports a gross vehicle weight rating (GVWR) of 74,600 lbs, underscored by a durable double frame and air suspension system that enhances ride quality under heavy loads. For added versatility, the truck includes a 44-inch flat top sleeper cab, ideal for long-haul operations, and an air lift pusher axle to adjust for various load types. The vehicle is also fitted with aluminum wheels and a combination of 315/80R22.5 front and 11R22.5 rear tires. Practical features like the dual fuel tanks, headache rack, and an air sliding 5th wheel further cater to rigorous commercial transport demands, ensuring the Peterbilt 389 holds its place as a heavy-duty and dependable truck on the road.
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Cummins ISX15 485 hp Engine
2015 US EPA Label
21291.8 Engine hrs
Eaton Fuller RTLO-16913A 13-Speed Manual Transmission
14600 lb Front Axle
Spicer R46-170HD Drive Axles
3.91:1 Axle Ratio
46000 lb Rears
74600 lb GVWR
Engine Brake
44 in Flat Top Sleeper Cab
254 in Wheelbase
Air Suspension
Air Lift Pusher Axle
Aluminum Wheels
315/80R22.5 Front Tires
11R22.5 Rear Tires
Double Frame
Air Sliding 5th Wheel
Dual Fuel Tanks
Headache Rack
Engine Power: 500 hp
Engine Make: Cummins
Engine Model: X15
Fuel Type: Diesel
Transmission Type: Manual
Transmission Speeds: 18-speed
Axle Configuration: Tandem
Front Axle Capacity: 12,000 lbs
Rear Axle Capacity: 40,000 lbs
Wheelbase: 260 inches
Suspension Type: Air Ride
Cabin Type: Sleeper Cab
Cabin Size: 72 inches
Gross Vehicle Weight: 52,000 lbs
Brake Type: Air
Serial Number / VIN: 1XPXP4EX2GD325337
Hour Meter / Odometer: 391228 mi
Indication of Additional Hours: 919,899.6 miles showing on ECM reader
Motor Vehicle Safety Standards Label: Yes
Exterior Lights: Operational
Steer Axle: T-LI-D0: 24/32"|T-RI-D0: 24/32"|Drum: B-R-D|Drum: B-L-D|Aluminum: T-LI-D|Aluminum: T-RI-D
Rear Axle: T-LO-D0: 17/32"|T-LI-D0: 9/32"|T-RI-D0: 18/32"|T-RO-D0: 15/32"|Drum: B-R-D|Drum: B-L-D|Aluminum: T-RI-D|Aluminum: T-LO-D|Aluminum: T-LI-D|Aluminum: T-RO-D
Rear Axle: T-LO-D0: 14/32"|T-LI-D0: 15/32"|T-RI-D0: 15/32"|T-RO-D0: 16/32"|Drum: B-L-D|Drum: B-R-D|Aluminum: T-LO-D|Aluminum: T-RO-D|Aluminum: T-RI-D|Aluminum: T-LI-D
Rear Axle: T-LO-D0: 9/32"|T-LI-D0: 9/32"|T-RI-D0: 12/32"|T-RO-D0: 12/32"|Drum: B-R-D|Drum: B-L-D|Aluminum: T-LI-D|Aluminum: T-RO-D|Aluminum: T-LO-D|Aluminum: T-RI-D
Emissions Status: 2015 US EPA Label
A/C Compressor: Operational
Blow-by (subjective visual observation): Visible
Starter: Operational
Air Compressor: Operational
Fuel System: Operational
Oil Leaks: No dripping leaks
Fuel Leaks: No dripping leaks
Cooling System Leaks: No dripping leaks
Limited Function Check: The engine started and ran.
Engine Hours: 21291.8 Engine hrs
Window Controls: Both Power
Seat Belts: Operational
Horn: Air horn operational, Electric horn inoperable
Oil Pressure: The gauge registers in the operating range.
Warning Lights: Operational, Check engine light stays on, 25% Derate Service Now message is on display screen
Gauges: Operational
Brake Control: Operational
Engine Brake: Not operationally checked
Clutch: Engages
ECM Miles: 919899.6 ECM mi
Air Conditioner: Operational
Heater: Not operationally checked
Limited Function Check: The main components are in place and operational as noted.
Transmission: Operational
Limited Function Check: The drivetrain was operational without a load.
Limited Function Check - Brakes: The service brakes are operational, The park brake is operational.
date of analysis: Aug 18, 2026
Silicon: 62.63 PPM
Tin: 0.11 PPM
Silver: 0.39 PPM
Aluminum: 3.05 PPM
Chromium: 1.19 PPM
Lead: 2.83 PPM
Copper: 2.89 PPM
Nickel: 0.1 PPM
Iron: 49.8 PPM
Glycol: NEG
Water: NEG
Fuel: <5%
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