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2026 Peterbilt 589 – Cummins X15 – Super 40

New trucks

Year: 2026

Peterbilt
#804655

Engine: Cummins X15 – 500 HP / 1850 lbs torque

Transmission: RTLO20918B – 18 speeds

Wheelbase: 260”

Front axle: 13,200 lbs air

Rear axles: Meritor RT40-160 Super 40 – 46,000 lbs differential – ratio 3.58 – full lock

Suspension: Low Air Leaf

Tires: 11R22.5

Wheels: Alcoa Dura-Bright

Fuel tanks: 150 gal + 110 gal

Interior: Premier trim, grey color

Sleeper: 72” Hi-Roof with 2 beds, fridge, inverter

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SKU: 804655 Category:

Description

Engine: Cummins X15 – 500 HP / 1850 lbs torque

Transmission: RTLO20918B – 18 speeds

Wheelbase: 260”

Front axle: 13,200 lbs air

Rear axles: Meritor RT40-160 Super 40 – 46,000 lbs differential – ratio 3.58 – full lock

Suspension: Low Air Leaf

Tires: 11R22.5

Wheels: Alcoa Dura-Bright

Fuel tanks: 150 gal + 110 gal

Interior: Premier trim, grey color

Sleeper: 72” Hi-Roof with 2 beds, fridge, inverter

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