Overview

Overview
This new 2027 Peterbilt Model 589 Traditional is a day cab tractor configured for hauling construction materials in on/off-highway construction dump service. It is set up to pull a 53' two-axle semi-end dump trailer with a 13.5' trailer height and a 36" kingpin setting. Engineering ratings are 13,200 lbs front GAWR and 20,000 lbs on each drive axle, for a GVWR of 53,200 lbs and a GCW of 80,000 lbs. The truck is spec'd for a maximum grade of 6%.

Engine & Drivetrain
Power comes from a Cummins X15 Productivity Series engine rated at 565 HP at 1,950 RPM, governed at 2,000 RPM, with 1,850 lb-ft of torque at 1,000 RPM. It is 2024-emissions, CARB-emission compliant, and EPA and CARB idling compliant. The powertrain is optimized for performance in vocational and heavy-GCWR applications, with a typical operating speed of 70 MPH, an effective VSL setting of 65.0 MPH or greater, a maximum cruise speed of 68 MPH and a maximum accelerator vehicle speed of 75 MPH. A predictive cruise control package is included. The truck has a Jacobs compression brake with controls on the right-hand column and engine protection shutdown. The idle shutdown timer is enabled with an ambient temperature override. The transmission is an Eaton RTLO20918B 18-speed with an oil-to-water cooler, a chrome manual shifter, a self-adjusting clutch and a pre-damped clutch. The driveline is an RPL25 SD with one midship bearing and an RPL20 interaxle, and the rear axle ratio is 3.70. For PTO work, it has a remote PTO/throttle 12-pin provision in the engine bay, a dash-mounted single-acting electric-over-air PTO control and a PTO maximum engine speed of 1,400 RPM. Supporting equipment includes the EMUX electronics architecture, a PACCAR 160-amp brushed alternator, a PACCAR 12V starter, three PACCAR Premium 12V dual-purpose batteries (2,190 CCA), a battery jumper terminal, a Kissling 300A power disconnect switch, and a low-voltage disconnect system. The engine also has a 110–120V immersion block heater, a 2-speed fan clutch for frequent start/stops, an 18.7 CFM aspirated air compressor and a high-efficiency cooling system. Fuel handling includes a PACCAR extended-service fuel/water separator with fuel heat and 12V heat for the fuel filter. Intake is through 15" premium stainless steel cowl-mounted air cleaners with slotted stainless caps. Exhaust is a dual SOC system with the DPF/SCR single module under the right side of the cab, venting through 7" chrome-plated standpipes that are 36" tall and have 45-degree cut curved tips.

Chassis & Axles
The 225" wheelbase measures 99.9" from front axle to back of cab, 125.1" from cab to axle and 180.1" from cab to end of frame. The frame uses 10-5/8" steel rails with 5/16" rail thickness and zinc-coated anti-corrosion treatment, plus aluminum crossmembers. The end of frame is tapered with a crossmember and kingpin cutout. Up front is a Dana Spicer E1322IL 13,200 lb steer axle with a 3.5" drop, in a wide-track setup, with greasable spring pins and a Sheppard HD94 power steering gear with a frame-mounted reservoir. The rear axle is a Dana Spicer DSH40 High Performance 40 tandem rated at 40,000 lbs. It has full-locking tandem differentials with speed interlock and a separate dash control, and all axles use synthetic lubricant. Bendix ADB22X air disc brakes are fitted front and rear, with pad dust shields and PHP10 aluminum PreSet+ hubs. Safety systems include Bendix ESP electronic stability with ATC, 6S6M ABS and a tire pressure monitoring system.

Suspension
The front suspension uses 13,200 lb taper leaf springs with Tenneco shocks and 40 mm spacer blocks. The rear runs on Peterbilt Low Air Leaf suspension rated at 40,000 lbs with a 52" axle spread in a lightweight configuration. It has a single leveling valve on the forward drive axle and a dash-mounted dump switch with indicator light. The cab rides on air suspension.

Cab & Interior
The aluminum day cab has a 131" BBC aluminum hood with a polished crown and spring tilt assist. It comes with the SmartSound insulation package and Peterbilt keyless entry. The Platinum interior in Alpine Gray has a rubber floor in place of carpet. Peterbilt LX premium-level driver and passenger seats are high-back, air-ride and leather in black, with a heated driver seat, dual driver armrests and a left-hand passenger armrest. The tilt/telescoping column carries a premium leather-wrapped multi-function wheel with audio and cruise controls. Instrumentation is a 15" digital cluster with bright bezel gauges. It includes backlit gauges for front and rear drive-axle oil temperature (with guards), engine oil temperature, air suspension pressure, fuel filter restriction and tractor brake application. The digital display also shows transmission oil temperature, air filter restriction, trailer reservoir pressure, secondary fuel level, engine and PTO hour meters, turbo boost and engine percent torque. Audio and connectivity include a ConcertClass AM/FM/WB radio with 3.5 aux, satellite radio, Bluetooth phone and audio, USB and dual USB charging ports, a 4-speaker mid-level package, and an Uniden PC78LTX CB radio with mounting on both mirrors. Global telematics hardware is installed. Other features include power locks and windows, a combo fresh-air heater/AC, dark window tint, a fixed one-piece rear window and a one-piece curved windshield. There are also intermittent wipers, a pull-out tray over the glove box, a rear-wall map pocket, four additional dash switches, a fire extinguisher, a triangle kit and a variable 87–112 dB backup alarm. Outside are a stainless V-style sunvisor, a textured NFPA-compliant grab handle, and heated, motorized 7"x18" West Coast-style stainless mirrors. These are paired with two 8" heated convex mirrors and a look-down mirror over the passenger door.

Body & Equipment
This is a tractor setup with a Holland FW35 fifth wheel on a 30" Holland heavy-duty air slide. The fifth wheel is no-tilt convertible and outboard-mounted, with 8.6"–9.25" height, left-hand release and slide controls. A frame-mounted deck plate and access package sits on the right side. Trailer connections include 15' straight 3-in-1 lines with dual 7-way plugs, a QCP socket and a chrome hose tenna. There is also an ISO 3731 trailer ABS power connector with a 15' ISO cable and a dash switch for J560 battery power. Two bottom-dump trailer switches are wired to a Berg 4-way socket. For fuel, a 26" polished aluminum 100-gallon right-side tank is configured as a split tank holding 65 gallons of fuel in the rear section, with an additional sending unit. It is paired with a 26" polished aluminum 90-gallon left-side tank, with center fill and polished straps. The small HD DEF tank sits on the left side behind the fuel/hydraulic tank with a polished stainless cover. Air equipment includes a Bendix AD-HF EP heated air dryer and polished aluminum air tanks outside the rails, with pull cords on all tanks. Up front is a chromed steel Texas-style bumper with two tow points. There is a removable bugscreen behind the grille, polished stylized aluminum battery and aftertreatment steps, braceless stainless quarter fenders and stainless mudflap hangers. Lighting includes projector headlights, daytime running lights, five LED bullet marker lights, mirror-mounted LED turn signals, LED stop/turn/tail/backup lights and two flush-mounted LED load lights. There is also wiring for fog lights, a beacon/strobe and auxiliary lights on the air cleaners. Paint is black two-stage Axalta metallic/pearl on the cab, hood, roof and fenders, with a black frame.

Tires & Wheels
Front tires are Bridgestone R283S Ecopia 11R22.5 16-ply. The rear runs eight Bridgestone M760 Ecopia 11R22.5 14-ply tires. All positions use Accuride 43644SP 22.5x8.25 extra-polished aluminum wheels, with wheel guards on the steer and tandem axles.

Warranty & Protection
This unit includes Peterbilt Class 8 standard coverage of 1 year/100,000 miles (160,000 km). It also has a base emissions warranty for CARB operation of 5 years/350,000 miles on the X15 engine, and a 5-year SmartLINQ RD subscription.