| S = Standard Equipment A = Available -- (dashes) = Not Available D = ADI Available | |
 = Included in Equipment Group  = Included in Equipment Group but upgradeable
|
|
*Indicates availability of feature on multiple models. For example, it
indicates feature availability on 2WD and 4WD Models or Rear wheel drive
and All-wheel drive Models.
|
Codes listed in the shaded column titled Ref. Only RPO Code are for internal use only and should not be ordered.
|
|
Free
Flow
RPO
Code
| Ref.
Only
RPO
Code
|
DESCRIPTION
1 - Equipment Group 1SA available on all models.
2 - Equipment Group 3SA available on all models.
3 - Available on Crew Cab T*20*43 and Double Cab T*20*53 models.
4 - Available on 4WD Crew Cab TK20*43 models.
| Regular, Double and Crew Cab | Double and Crew Cab | Crew Cab |
Sierra
1SA1 | SLE
3SA2 | SLT
4SA3 | AT4
4SB4 | Denali Crew Cab
5SA4 |
| X31 |
| X31 Off-Road Package, includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension, Twin-tube Rancho shocks and X31 hard badge
1 - Requires 4WD model and AT tires. Includes (QXT) LT265/70R17E all-terrain, blackwall tires. Not available with (ZW9) pickup bed delete.
2 - Requires 4WD model and AT tires. Not available with (ZW9) pickup bed delete. | A1 | A1 | A2 | --
| --
|
|
|
| X31 Off-Road Package, includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks | --
| --
| --
|
|
|
| VYU |
| Snow Plow Prep/Camper Package, includes (KW5) 220-amp alternator, includes increased front GAWR on Heavy Duty models, (NZZ) skid plates (transfer case and oil pan), pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage, recommend ordering (UY2) Trailering wiring provisions
1 - Requires 4WD model. Includes (KW5) 220-amp alternator and is upgradeable to (KHF) Dual alternators (220-amp primary, 170- amp auxiliary). Not available with (F60) Heavy Duty Front Spring/Camper Package.
2 - Requires 4WD model and (CGN) spray-on bed liner. Includes (KW5) 220-amp alternator and is upgradeable to (KHF) Dual alternators (220-amp primary, 170- amp auxiliary). Not available with (F60) Heavy Duty Front Spring/Camper Package.
3 - Includes (KW5) 220-amp alternator and is upgradeable to (KHF) Dual alternators (220-amp primary, 170- amp auxiliary). Not available with (F60) Heavy Duty Front Spring/Camper Package. | A1 | A1 | A2 | A3 | A3 |
|
| Z82 | Trailering Package, includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
1 - Deleted when (ZW9) pickup bed delete is ordered. | S1 | S1 | S1 | S
| S
|
|
| VSX | Trailering Information Label, provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
1 - Not available on (ZW9) pickup bed delete. | S1 | S1 | S1 | S
| S
|
| JL1 |
| Trailer brake controller, integrated
1 - Required with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Crew Cab and Double Cab models available as free flow with (L8T) 6.6L V8 gas engine. Regular Cab models Requires (PCI) Convenience Package. Included with (CMT) Gooseneck / 5th Wheel Prep Package. | A1 |
|
|
|
|
| UY2 |
| Trailering wiring provisions, for trailering, 5th wheel and gooseneck trailer, includes additional 7-way wiring harness located at the rear of the pickup bed attached to the rear frame cross member
1 - Not available with (CMT) Gooseneck / 5th Wheel Prep Package or (ZW9) pickup bed delete.
2 - Not available with (CMT) Gooseneck / 5th Wheel Prep Package. | A1 | A1 | A1 | A2 | A2 |
| CMT |
| Gooseneck / 5th Wheel Package, includes (Z6A) Gooseneck / 5th Wheel Prep Package.
1 - Regular Cab models require (PCI) Convenience Package. Includes (JL1) Trailer brake controller and (CGN) spray-on bed liner. Not available with (ZW9) pickup bed delete.
2 - Includes (CGN) spray-on bed liner. Not available with (ZW9) pickup bed delete.
3 - Includes (CGN) spray-on bed liner and (UVN) Bed View Camera. Not available with (ZW9) pickup bed delete.
4 - Includes (UVN) Bed View Camera. | A1 | A2 | A3 | A4 | A4 |
|
| Z6A | Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
1 - Included and only available with (CMT) Gooseneck / 5th Wheel Prep Package. | A1 | A1 | A1 | A1 | A1 |
| SNO |
| LPO, Hitch Package, Gooseneck ball and chain tiedown kit with case, (dealer-installed)
1 - Requires (CMT) Gooseneck / 5th Wheel Prep Package. Not available with (VBR) rubber bed mat, LPO. Not available with (ZW9) pickup bed delete.
2 - Requires (CMT) Gooseneck / 5th Wheel Prep Package. Not available with (VBR) rubber bed mat, LPO. | A/D1 | A/D1 | A/D1 | A/D2 | A/D2 |
| ZL6 |
| ProGrade Trailering System, includes (PZ8) Hitch Guidance with Hitch View, (U1D) In-vehicle Trailering App, (IOS) 8" diagonal Premium GMC Infotainment System, (UVB) HD Rear Vision Camera, (MCR) USB Ports (Instrument Panel with bench seat), (U2K) SiriusXM with 360L, (U2L) HD Radio and (QT5) EZ Lift power lock and release tailgate
1 - Not available with (PCQ) SLE Convenience Package or (ZW9) pickup bed delete. | --
| A1 | --
| --
| --
|
|
|
| ProGrade Trailering System, includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App | --
| --
|
|
|
|
|
| U1D | Trailering App, System, includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module
1 - Included and only available with (ZL6) ProGrade Trailering System or with (PDQ) Preferred Package. Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
2 - Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed. With (ZW9) pickup bed delete no provision for a trailer tire pressure monitor system will exist but all the other (U1D) features will remain.
3 - Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed | --
| A1 | 2 | 3 | 3 |
|
| CTT | Hitch Guidance, dynamic single line to aid in truck trailer alignment for hitching
1 - Deleted with (ZW9) pickup bed delete. | S1 | S1 | S1 | S
| S
|
|
| PZ8 | Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
1 - Included and only available with (ZL6) ProGrade Trailering System or with (PDQ) Preferred Package. Not available with (ZW9) pickup bed delete.
2 - Deleted with (ZW9) pickup bed delete. | --
| A1 | 2 |
|
|
| PTT |
| Trailer Tire Pressure Monitor Sensors, includes set of 4 sensors. Sensor functionality requires (U1D) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
1 - Requires (ZL6) ProGrade Trailering System or (PDQ) Preferred Package. Not available with (ZW9) pickup bed delete.
2 - Not available with (ZW9) pickup bed delete. | --
| A1 | A2 | A
| A
|
|
| KW7 | Alternator, 170 amps
1 - Requires (L8T) 6.6L V8 gas engine. | S1 | S1 | S1 | S
| S1 |
| KW5 |
| Alternator, 220 amps
1 - Included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine or (VYU) Snow Plow Prep/Camper Package. Free flow on (L8T) 6.6L V8 gas engine. | A1 | A1 | A1 | A1 | A1 |
| KHF |
| Alternators, dual, 220-amps primary, 170-amps auxiliary
1 - With (L8T) 6.6L V8 gas engine, (K4B) 730 cold-cranking amps/70 Amp-hr auxiliary battery is required. | A1 | A1 | A1 | A1 | A1 |
|
| K47 | Air filter, high-capacity | S
| S
| S
| S
| S
|
|
| K1O | Air filtration monitoring | S
| S
| S
| S
| S
|
|
|
| Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power
1 - Included and only available with (L8T) 6.6L V8 gas engine. | A1 | A1 | A1 | A1 | A1 |
|
|
| Battery, heavy-duty dual 730 cold-cranking amps/70 Amp-hr, maintenance-free with rundown protection and retained accessory power
1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. | A1 | A1 | A1 | A1 | A1 |
| K4B |
| Battery, auxiliary, 730 cold-cranking amps/70 Amp-hr
1 - Requires (L8T) 6.6L V8 gas engine and either (KW5) 220-amp alternator or (KHF) dual alternators. Not available with (KW7) 170-amp alternator. | A1 | A1 | A1 | A1 | A1 |
|
| J61 | Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors | S
| S
| S
| S
| S
|
|
| JBP | Brake lining wear indicator | S
| S
| S
| S
| S
|
|
| KC4 | Cooling, external engine oil cooler | S
| S
| S
| S
| S
|
|
| KNP | Cooling, auxiliary external transmission oil cooler | S
| S
| S
| S
| S
|
|
| BHP | Winter Grille Cover
1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. | A1 | A1 | A1 | A1 | A1 |
|
| G80 | Differential, heavy-duty locking rear | S
| S
| S
| S
| S
|
| FE9 |
| Emissions, Federal requirements | A
| A
| A
| A
| A
|
| NE1 |
| Emissions, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements | A
| A
| A
| A
| A
|
| NB8 |
| Emissions override, California (allows a dealer in states that require California emissions - California, Connecticut, Delaware, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island or Washington - to order Federal emissions for a vehicle that will be registered in a state that has Federal emission requirements). Do not use for vehicles that will be registered in California, Connecticut, Delaware, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island or Washington.
1 - Requires (FE9) Federal emissions requirements. Not available in Maine or Vermont. | A1 | A1 | A1 | A1 | A1 |
| NB9 |
| Emissions override, state-specific (for dealers ordering vehicles in (YF5) or (NE1) emission states - California, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington)
1 - Allows a California dealer (YF5 emissions) to order (NE1) emissions with (NB9) emissions override code for registration in (NE1) states; or, a Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington dealer (NE1 emissions) to order (YF5) emissions with (NB9) emissions override code for registration in California. | A1 | A1 | A1 | A1 | A1 |
| NC7 |
| Emissions override, Federal (for vehicles ordered by dealers in Federal emission states with (YF5) or (NE1) emissions - Not required for vehicles being shipped to California, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont or Washington)
1 - Requires (YF5) California state emissions requirements or (NE1) Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont or Washington state emissions requirements. | A1 | A1 | A1 | A1 | A1 |
| YF5 |
| Emissions, California state requirements | A
| A
| A
| A
| A
|
|
| L8T | NEW! Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) |
|
|
|
|
|
| L5P |
| Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible, (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm)
1 - Requires (JL1) trailer brake controller. Regular Cab models requires (PCI) Convenience Package. Includes (K05) engine block heater.
2 - Includes (K05) engine block heater. | A1 | A2 | A2 | A2 | A2 |
|
| K40 | Exhaust brake
1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. | A1 | A1 | A1 | A1 | A1 |
| K05 |
| Engine block heater
1 - Included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. | A1 | A1 | A1 | A1 | A1 |
|
|
| Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section | S
| S
| S
| S
| S
|
|
| C4M | GVWR, 9900 lbs. (4490 kg)
1 - Included and only available with CC20903 model and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | --
| --
| --
|
| C7A |
| GVWR, 10,000 lbs. (4536 kg)
1 - Available to all models with L8T Gas Engine. L5P Diesel requires TK20*53 or T*20*43 models. L5P Diesel Not Available with TC20743 or any Regular Cab models.
2 - Available to all models with L8T Gas Engine. L5P Diesel requires TK20*53 or T*20*43 models. L5P Diesel Not Available with TC20743 or any Regular Cab models. When ordered with (ZW9) pickup bed delete, includes hard touch instrument panel-top pad.
3 - Available to all models with L8T Gas Engine. L5P Diesel requires TK20*53 or T*20*43 models. L5P Diesel Not Available with TC20743. When ordered with (ZW9) pickup bed delete, includes hard touch instrument panel-top pad.
4 - Not available with (YF5) or (NE1) emissions. | A1 | A2 | A3 | A
| A4 |
|
| 9N2 | GVWR, 10,050 lbs. (4559 kg)
1 - Included and only available with TC20753 model and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | --
| --
| --
|
|
| JGA | GVWR, 10,150 lbs. (4604 kg)
1 - Included and only available with TC20743 model and (L8T) 6.6L V8 gas engine with 17" wheels or TC20903 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels. | A1 | A1 | --
| --
| --
|
|
| JFG | GVWR, 10,200 lbs. (4627 kg)
1 - Included and only available with TC20953 model and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | --
| --
| --
|
|
| JGB | GVWR, 10,250 lbs. (4649 kg)
1 - Included and only available with TC20753 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20903 model and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | A1 | --
| --
|
|
| JFH | GVWR, 10,300 lbs. (4672 kg)
1 - Included and only available with TC20943 model and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | --
| --
| --
|
|
| JGC | GVWR, 10,350 lbs. (4695 kg)
1 - Included and only available with TC20743 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20753 and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | A1 | --
| --
|
|
| JFI | GVWR, 10,400 lbs. (4717 kg)
1 - Included and only available with TC20953 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels. | A1 | A1 | A1 | --
| --
|
|
| JGD | GVWR, 10,450 lbs. (4740 kg)
1 - Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 17" wheels or TK20903 model and (L8T) 6.6L V8 gas engine with 18"or 20" wheels. | A1 | A1 | --
| --
| --
|
|
| C7G | GVWR, 10,500 lbs. (4763 kg)
1 - Included and only available with TC20943 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20953 and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | A1 | --
| --
|
|
| JGE | GVWR, 10,550 lbs. (4785 kg)
1 - Included and only available with TK20753 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TC20903 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | A1 | --
| --
|
|
| JGF | GVWR, 10,650 lbs. (4831 kg)
1 - Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20943 and (L8T) 6.6L V8 gas engine with 17" wheels. | A1 | A1 | A1 | A1 | A1 |
|
| JFK | GVWR, 10,700 lbs. (4854 kg)
1 - Included and only available with TC20753 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | --
| --
| --
|
|
| JGG | GVWR, 10,750 lbs. (4876 kg)
1 - Included and only available with TK20953 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TC20903 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels. | A1 | A1 | A1 | --
| --
|
|
| JFL | GVWR, 10,800 lbs. (4899 kg)
1 - Included and only available with TC20743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | --
| --
| --
|
|
| JGH | GVWR, 10,850 lbs. (4921 kg)
1 - Included and only available with TK20943 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels. | A1 | A1 | A1 | A1 | A1 |
|
| JFM | GVWR, 10,900 lbs. (4944 kg)
1 - Included and only available with TC20753 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels or TC20953 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels or TK20903 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | A1 | --
| --
|
|
| CKM | GVWR, 10,960 lbs. (4971 kg)
1 - Included and only available with TK20903 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels. | A1 | A1 | --
| --
| --
|
|
| C7E | GVWR, 11,000 lbs. (4990 kg)
1 - Included and only available with TC20943 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels or TK20753 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | --
| --
| --
|
|
| JGJ | GVWR, 11,050 lbs. (5012 kg)
1 - Included and only available with TC20743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels. | A1 | A1 | A1 | --
| --
|
|
| JFN | GVWR, 11,100 lbs. (5035 kg)
1 - Included and only available with TC20953 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels. | A1 | A1 | A1 | --
| --
|
|
| JGK | GVWR, 11,150 lbs. (5058 kg)
1 - Included and only available with TK20743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | --
| --
| --
|
|
| JFO | GVWR, 11,200 lbs. (5080 kg)
1 - Included and only available with TC20943 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels or TK20753 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18"or 20" wheels or TK20953 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | A1 | --
| --
|
|
| JGL | GVWR, 11,350 lbs. (5148 kg)
1 - Included and only available with TK20743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels or TK20943 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 17" wheels. | A1 | A1 | A1 | A1 | A1 |
|
| JGM | GVWR, 11,450 lbs. (5194 kg)
1 - Included and only available with TK20953 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels. | A1 | A1 | A1 | --
| --
|
|
| JGN | GVWR, 11,550 lbs. (5239 kg)
1 - Included and only available with TK20943 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine with 18" or 20" wheels. | A1 | A1 | A1 | A1 | A1 |
|
| GT4 | Rear axle, 3.73 ratio
1 - Requires (L8T) 6.6L V8 gas engine. | S1 | S1 | S1 | S1 | S1 |
|
| GU6 | Rear axle, 3.42 ratio
1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. | A1 | A1 | A1 | A1 | A1 |
| NZZ |
| Skid Plates, protect the oil pan, front axle and transfer case
1 - Included with (X31) X31 Off-Road Package or (VYU) Snow Plow Prep/Camper Package. | A1 | A1 | A1 |
|
|
|
|
| StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist | S
| S
| S
| S
| S
|
|
|
| Steering, Recirculating Ball with smart flow power steering system | S
| S
| --
| --
| --
|
|
| NV8 | Steering, Digital Variable Steering Assist, this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue | --
| --
| S
| S
| S
|
|
| Z85 | Suspension Package
1 - Not available with (X31) Off-Road Package. | S1 | S1 | S1 | --
| --
|
|
|
| Suspension, Off-Road, includes twin-tube shocks
1 - Included and only available with (X31) X31 Off-Road Package. | A1 | A1 | A1 |
|
|
| F60 |
| Heavy Duty Front Spring/Camper Package, Note: If ordered for Camper usage, recommend ordering (UY2) Trailering wiring provisions
1 - Not available with (VYU) Snow Plow Prep/Camper Package. | A1 | A1 | A1 | A1 | A1 |
| UF3 |
| High idle switch
1 - Requires (K34) Cruise Control. Not available with (PTO) Power Take-off.
2 - Not available with (PTO) Power Take-off. | A1 | A2 | A
| A
| A
|
|
| JHD | Hill Descent Control
1 - Included and only available with (X31) X31 Off-Road Suspension Package. | A1 | A1 | A1 |
|
|
|
| MYD | Transmission, 6-speed automatic, heavy-duty | S
| S
| S
| S
| S
|
|
| MGM | NEW! Transmission, Allison 10-Speed automatic
1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Not available with (PTO) Power take-off. | A1 | A1 | A1 | A1 | A1 |
|
| MGU | NEW! Transmission, Allison 10-Speed automatic with integrated Power Take-Off (PTO)
1 - Included and only available with (PTO) Power Take-off. Requires (L5P) Duramax 6.6L Turbo-Diesel V8 engine. | A1 | A1 | --
| --
| --
|
| PTO |
| Power Take-Off
1 - Requires (L5P) Duramax 6.6L Turbo-Diesel V8 engine and (K34) Cruise Control. Includes (MGU) 10-speed transmission. | A1 | A1 | --
| --
| --
|
|
| NQF | Transfer case, two-speed, electronic shift with push button controls
1 - Requires 4WD models. | 1 | 1 | --
| --
| --
|
| NQH |
| NEW! Transfer case, two-speed active, electronic Autotrac with push button control
1 - Requires 4WD models. | --
| A1 | 1 |
|
|
