2026 Osco International Tandem-Axle Tanker

Aluminum wheels on front axle

Aluminum wheels on rear axle

315/65R x 22.5 Tires on front axles

11R22.5 tires on rear axles

18,000# front axle capacity

46,000# rear axle capacity

5.29 rear axle ratio

Hendrickson Haulmaxx spring suspension

Inter-axle differential lock

Air conditioning

AM/FM Radio

Tow hooks front and rear

Master battery disconnect switch in cab

Air horns underneath cab to leave room for any light bar

MISCELLANEOUS ITEMS:

4” Reflective stripping on each side of apparatus

Chevron striping on lower rear section of tanker

Rear vision camera system:

Infrared rear camera for night vision

7” LCD screen in cab

Audio for sound in cab

WATER PUMP SYSTEM:

Berkeley B3ZRMS PTO driven centrifugal pump

750 GPM Max Discharge

65 PSI Max Pressure

1 – 2.5” discharge on driver side between cab and tank with valve and 2.5” fitting

1 – 2.5” discharge on passenger side between cab and tank with valve and 2.5” fitting

1 – 1.5” Pre-connect discharge on driver side catwalk – 150’ Capacity

(1) 2” Pump recirculation

(1) Class 1 Twister throttle and ENFO IV display

(1) 1.5” Aquatrol relief valve to drain to the ground – Set at 130 PSI

- All stainless-steel plumbing and manifolds

Electronic Water Level Gauges:

(1) Class 1 ITL-40 Electronic water level gauge on pump panel

(1) Whelen PSTANK Electronic water level gauge on rear of tank

EMERGENCY LIGHTING:

(1) Whelen Justice Series LED light bar mounted on cab roof

(2) Whelen L31HF Series Super-LED beacons on top rear of tank

o Located on top rear corners of tank

(8) Whelen M7 Series Super-LED light heads in lower zones:

o (2) located in front grille

o (2) located near front fenders

o (2) located near rear fenders

o (2) located on rear lower zone of truck

(3) Whelen M9EZ Series LED scene lights

- (1) located on left side of tank

- (1) located on right side of tank

- (1) located on rear head of tank (Rear lights to come on when truck is in REVERSE)

(6) LED Ground lights:

o (2) located under cab steps

o (2) located under storage compartment

o (2) located under rear corners of tank

Whelen 100-watt speaker

Whelen 295SLSA1 Siren amplifier

Sealed beam LED Stop/Turn/Tail lights on rear of tank

Custom aluminum center console