The Engines And Transmissions Of The 2017 Chevrolet Low Cab Forward Trucks: Feature Spotlight
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The 2017 Chevrolet Low Cab Forward medium duty trucks will have a three-engine, three-transmission lineup when they launch later this year. The three engines include one GM gas engine — the 6.0L Vortec V8 L96 (or its LC8 gaseous variant) — and two four-cylinder Isuzu turbo-diesels.
| Chevrolet LCF Model | GVWR | Engine | Engine RPO Code | Power (horsepower @ RPM) | Torque (pound-feet @ RPM) | Transmission | Transmission RPO Code |
|---|---|---|---|---|---|---|---|
| Chevrolet LCF 3500 Gas | 12,000 pounds | GM 6.0L Vortec V8 Gasoline | L96 | 297 @ 4300 | 372 @ 4000 | GM 6-speed 6L90-E Hydra-Matic | MYD |
| Chevrolet LCF 4500 Gas | 14,500 pounds | GM 6.0L Vortec V8 Gasoline | L96 | 297 @ 4300 | 372 @ 4000 | GM 6-speed 6L90-E Hydra-Matic | MYD |
| Chevrolet 3500HD Diesel | 13,000 pounds | Isuzu 3.0L I4 Diesel | IZ3 | 150 @ 2800 | 282 @ 1600-2800 | Aisin 6-speed automatic A460 | IX0 |
| Chevrolet LCF 4500HD Diesel | 14,500 pounds | Isuzu 5.2L I4 Diesel | I1B | 215 @ 2500 | 452 @ 1850-2750 | Aisin 6-speed automatic A465 | IR7 |
| Chevrolet LCF 4500XD Diesel | 16,000 pounds | Isuzu 5.2L I4 Diesel | I1B | 215 @ 2500 | 452 @ 1850-2750 | Aisin 6-speed automatic A465 | IR7 |
| Chevrolet LCF 5550HD Diesel | 17,950 pounds | Isuzu 5.2L I4 Diesel | I1B | 215 @ 2500 | 452 @ 1850-2750 | Aisin 6-speed automatic A465 | IR7 |
| Chevrolet LCF 5500XD Diesel | 19,500 pounds | Isuzu 5.2L I4 Diesel | I1B | 215 @ 2500 | 452 @ 1850-2750 | Aisin 6-speed automatic A465 | IR7 |
To note, the Chevy LCF trucks have been developed and are built by Isuzu as part of a new GM-Isuzu partnership announced in June of 2015. GM’s contribution to the program is the addition of the 6.0L L96 gasoline engine, as well as the potential use of GM commercial vehicle components in Isuzu low cab forward trucks.
GM’s 6.0L Vortec V8 L96 is standard in the 2017 Chevrolet LCF 3500 Gas and Chevrolet 4500 Gas.
Engine highlights include:
- Four cycle overhead valve water cooled SFI
- Electronically-controlled sequential fuel injection
- Six bolt main cap design for heavy-duty performance
- Engine Control Module (ECM) and Transmission Control Module (TCM) engine control system
- Engine cruise control, engine oil cooler, High Idle Mode (1200 RPM)
- Power: 297 horsepower (221.5 kW) @ 4300 RPM
- Torque: 372 pound-feet (504.0 Nm) @ 4000 RPM
The L96 can also be swapped out for its gaseous counterpart — the 6.0L V8 LC8.
Both the L96 and LC8 are mated to the 6-speed 6L90-E Hydra-Matic MYD automatic transmission with lock-up converter and overdrive.
Its gear ratios are:
- 4.027
- 2.364
- 1.532
- 1.152
- 0.852
- 0.667
- Reverse: 3.064:1
Isuzu’s 3.0L I4 turbo-diesel (production code IZ3) is standard in the 2017 Chevrolet 3500HD Diesel.
Engine highlights include:
- 16 valve, four cycle, chain-driven dual overhead camshaft valve train
- Cast iron cylinder block and cast aluminum cylinder head
- Turbocharged, inter-cooled, water cooled EGR
- Direct injection
- Electronically controlled common rail fuel system and engine cruise control
- Oil level check switch and light
- Engine warning system with audible warning for low oil pressure
- High coolant temperature
- Protection system that will reduce fueling if excessive coolant temperature is detected
- Power: 150 horsepower (111.9 kW) @ 2800 RPM
- Torque: 282 pound-feet (382.3 Nm) @ 1600-2800 RPM
The oil burner is mated to a 6-speed automatic Aisin A460 transmission (production code IX0).
Its gear ratios are:
- 3.742
- 2.003
- 1.343
- 1.000
- 0.773
- 0.634
- Reverse: 3.539
Isuzu’s (rather large for a four-banger) 5.2L I4 turbo-diesel (production code I1B) is standard in the:
- 2017 Chevrolet LCF 4500HD Diesel
- 2017 Chevrolet LCF 4500XD Diesel
- 2017 Chevrolet LCF 5550HD Diesel
- 2017 Chevrolet LCF 5500XD Diesel
Engine highlights include:
- 16 valve, four cycle, chain-driven dual overhead camshaft valve train
- Cast iron cylinder block and cast aluminum cylinder head
- Turbocharged, inter-cooled, water cooled EGR
- Direct injection
- Electronically controlled common rail fuel system and engine cruise control
- Oil level check switch and light
- Engine warning system with audible warning for low oil pressure
- High coolant temperature
- Protection system that will reduce fueling if excessive coolant temperature is detected
- Power: 215 horsepower (160.3 kW) @ 2500 RPM
- Torque: 452 pound-feet (612.8 Nm) @ 1850–2750 RPM (governed)
This more powerful oil burner is mated to a 6-speed automatic Aisin A465 transmission (production code IR7) that features fifth and sixth gear overdrive with lock up in 2nd, 3rd, 4th, 5th and 6th, as well as PTO capability automatic torque converter lockup in stationary PTO mode.
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“Gas”, “gaseous”…
It is funny how the North American short slang term “gas” denoting “gasoline”, being a liquid, conflicts with the physical term “gas”, which denotes gaseous state of matter. You have to use CNG for “Compressed Natural Gas” in North America, because if you just say “gas” meaning CNG (how it is actually mentioned in other countries around the world) in North America, you will confuse the average Joe out there, because, in North America, what he knows as and associates with “gas” is a regular liquid petrol fuel. British word “petrol” is better – it has nothing to do with “gas”, so there is no confusion.
Most cars in the future will ultimately be EV, so none of those semantics will matters.
Your first sentence made the entire rest of your statement irrelevant. “North American short SLANG term “gas” denoting “gasoline”.
Yes, The short name (SLANG) “gas” is used in North America vs “petrol” is used in Britain.
Just like “Mum” is used in Britain as slang for mother vs “Mom” is used in the US.
Short name “gas” has become so common place in North America that manufacturers use it as well. Words evolve.
And the entire comment line is completely irrelevant since everyone knows how the slang is used and there is no confusion about it.