Engine Accessories & Cooling
Cold climate starting aids, engine heaters, engine accessories (exhaust brakes, dipsticks, PTOs), cooling system, engine air intake, and exhaust configurations.
Configurator Cross-Reference – Red italic text indicates the topic location(s) in the Configurator.
| Engine | Engine Block Heater | Oil Pan Heater | Plug Location(s) | Notes |
|---|---|---|---|---|
| L9 / L9N | 120V, 1000W | — | Front Bumper | Flat or Swept Wing Bumpers |
| L9 / L9N | 120V, 1000W | 120V, 150W | RH Fender | RH Fender Only |
| L9 / L9N | 120V, 1000W w/T-stat | — | Front Bumper | Swept Wing Bumper Only |
| L9 / L9N | 240V, 1000W | — | Front Bumper | Flat or Swept Wing Bumpers |
| X12 | 120V, 1500W | — | Front Bumper | Flat or Swept Wing Bumpers |
| ISX12N | 120V, 1500W | — | Front Bumper | Flat or Swept Wing Bumpers |
| ISX12N | 120V, 1500W w/T-stat | — | Front Bumper | Flat Bumper Only |
Engine compression brake or VGT Exhaust Brake may be specified, but not both. For optional engine compression brake availability, see tables in Engine sections.
Engine and transmission dipstick retention cables.
| Engine | Remote Dipstick | Remote Oil Fill | Notes |
|---|---|---|---|
| L9 / L9N | YES | — | Remote Dipstick Only |
| L9 / L9N | YES | YES | Remote Dipstick and Oil Fill |
| X12 | YES | YES | Remote Dipstick and Oil Fill |
| ISX12N | YES | YES | Remote Dipstick and Oil Fill |
| Engine | Oil Sample Valve | Valve Location |
|---|---|---|
| L9 | YES | RH Fender |
| X12 | YES | RH Fender |
1350/1410 crankshaft mounted PTO adapter standard on all L9 / X12 / L9N Cummins engines.
Cooling package for all engines includes:
- Radiator: 1,356 sq. in. face area; 2.5" core thickness with 12 FPI; heavy-duty down flow design with fiberglass reinforced nylon tanks; 2.5" inlet and outlet hose connections
- Transmission Oil Cooler: incorporated into lower tank of radiator assembly; 3" × 21" × 8 plate aluminum heat exchanger; #12 SAE ORB inlet and outlet ports
- Charge Air Cooler: 496 sq. in. face area; 4.25" core thickness; 4" inlet and outlet hose connections
- Condenser Coil: 281 sq. in. face area; 1" core thickness with 20 FPI
- Fans & Shroud: Sheet metal shroud creates sealed air path; (6) 12V PWM-controlled pusher fans in front of radiator; (2) additional fans in front of charge air cooler; controlled via PWM signals from software algorithms using J1939 network
- Surge Tank: Steel welded tank with low coolant probe and sight glass
Coolant hoses manufactured from silicone material and secured with stainless steel, constant torque style hose clamps. Remotely mounted behind cab and above engine.
Note: On vehicles with transmission retarder, a separate Auxiliary Transmission Oil Heat Exchanger is installed; standard heat exchanger ports are plugged.
-34°F / Below Zero (50/50 mix). Shell Rotella ELC, Extended lifetime coolant with service interval of 300,000 miles or 6,000 hours.
4-quart coolant recovery tank mounted to RH side of cooling package and connected to radiator overflow tube.
4-quart coolant reservoir with push button pump and check valve. Assembly includes 4-quart windshield washer fluid reservoir mounted on same bracket. Mounted on RH side of radiator crossmember.
6.27" ID × 10.43" OD × 10.43" L primary element; 5.12" ID × 8.05" OD × 19.52" L tapered secondary element. Includes air filter gauge (Filter Minder).
Air Ram inlet hood, 6" diameter outlet.
Donaldson brand, in-line vertical separator with dirt ejector, 6" diameter inlet and outlet.
2" Filter Minder gauge in dash. Left side location on LH and Dual steer applications; right side on RH steer.
Mounted on LH side, vertically outboard above frame behind the cab, back-of-cab protrusion 24". Cummins vertical aftertreatment modules (design varies with fuel type). Stainless steel exhaust tubing wrapped with insulation. Heat shield wraps three sides of aftertreatment module, painted black.
| VERTICAL EXHAUST CUMMINS ENGINE AFTERTREATMENT OUTLET OD STD/OPT | |||
|---|---|---|---|
| Cummins Engine | Aftertreatment Outlet | OD | STD/OPT |
| L9 | Single Mod Vert SIEO | 4" | Standard |
| L9N | 3-Way CAT Vert EIEO | 5" | Standard |
| X12 | Single Mod Vert SIEO | 5" | Standard |
| ISX12N | 3-Way CAT Vert SIEO | 5" | Standard |
| EXHAUST STACK | ||||
|---|---|---|---|---|
| Cummins Engine | SS Flared Elbow | Chr Flared Elbow | Diffuser | Low Profile |
| L9 | Optional | Optional | Optional | Standard |
| L9N | Optional | Optional | Optional | Standard |
| X12 | Optional | Optional | Standard | |
| ISX12N | Optional | Optional | Optional | Standard |
18" long, stainless steel, slotted exhaust diffuser assembly.
Stainless steel, flared elbow style, unpainted.
Chrome plated stainless steel, flared elbow style.
Welded AISI 304 stainless steel, low-profile, perforated exhaust diffuser assembly.
