Used Diesel GMC 6 Speed Trucks For Sale

Your Current Search
Industry
Trucks
Manufacturer
GMC
Transmission Speeds
6 Speed
Fuel Type
Diesel
Condition
Used
Market Type
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (14)
Manufacturer
GMC (14)
Model
Select a category to view available models.
Condition
Model Year
-
Rear Axle
Transmission Type
Transmission Speed
6 Speed (14)
Drive Train
Suspension Type
Fuel Type
Diesel (14)
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
Market Type
1-14 of 14 results
1-14 of 14 results
Featured Item
2019 GMC GM515 Crew Cab Dump Truck, Dump Body, Landscape, Delivery, Construction, Hauler, Concrete, Trash, Tarp, Automatic Transmission, Single Axle
89 1

2019 GMC GM515 Crew Cab Dump Truck, Dump Body, Landscape, Delivery, Construction, Hauler, Concrete, Trash, Tarp, Automatic Transmission, Single Axle

Newly Listed
$79,999 USD
2019 GMC GM515 Dump Truck 4500HD , Stock: 840681, VIN:1HTKHPVK2KH840681, Year: 2019, Make: GMC, Model: GM515, Engine:Duramax 6.6L V-8 diesel direct injection, inter-cooled turbo,...
ConditionUsed
Usage2,118 Miles
Duty ClassMedium Duty Dump Truck
Bed Length12 ft.
Horse Power350 HP
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End15,000 lb 4.30 ratio
Stock Number840681
MLS Number13381931
CategoryDump Trucks
Last Updated2/6/2025
Location
Elkton, MD, US
Sold By

Complete Recycling Group LLC

GMC 5500 Boom / Bucket Truck - 300HP
24 0

2008 GMC 5500 Boom / Bucket Truck - 300HP

At auction
2008 GMC 5500 4x4 Terex LT-38 6.6L Duramax@300 H.P. Allison 1000 6 Speed Automatic, 7,000 L.B. Front Axle. 13,500 L.B. Rear Axle with 4.78 Gear Ratio, 19,500 L.B. GVWR, 34,907 Miles,...
ConditionUsed
Usage34,907 Miles
Horse Power300 HP
Engine Model6.6 LTR Duramqx
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End13,500 lb
Stock Number8F415763
MLS Number13234328
CategoryBoom & Bucket Trucks
Last Updated1/24/2025
Location
Kansas City, MO, US
Listed By

Custom Truck One Source

GMC TopKick C7500 Single Axle Cab & Chassis Truck - Caterpillar, 220HP, 6 Speed Manual
2 0

2005 GMC TopKick C7500 Single Axle Cab & Chassis Truck - Caterpillar, 220HP, 6 Speed Manual

$8,000 USD
nice truck, runs great, clean, double frame, hydraulic brakes,
ConditionUsed
Usage585,006 Miles
Duty ClassMedium Duty Cab & Chassis Truck
Horse Power220 HP
Engine ModelCaterpillar C7
Drivetrain4x2
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Rear End19,000 lb
Stock Number05GMC585SACC
MLS Number11401134
CategoryCab & Chassis Trucks
Last Updated1/12/2025
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

GMC W4500 Box Truck - 200HP, 6 Speed Automatic, Roll up Door
30 0

2008 GMC W4500 Box Truck - 200HP, 6 Speed Automatic, Roll up Door

$9,250 USD
MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing;...
ConditionUsed
Usage121,769 Miles
Duty ClassLight Duty Box Truck
Horse Power200 HP
Engine ModelIsuzu 4HK1TC
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End9,880 lb 4.77 ratio
Door TypeRoll up
Stock Number717154
MLS Number12961027
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated1/17/2025
Location
Wickliffe, OH, US
Sold By

Penske Used Trucks

GMC Sierra 10 ft Flatbed Truck - 397HP, 6 Speed Automatic
27 0

2017 GMC Sierra 10 ft Flatbed Truck - 397HP, 6 Speed Automatic

$31,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage171,636 Miles
Duty ClassLight Duty Flatbed Truck
Bed Length10 ft.
Horse Power397 HP
Engine ModelGMC 6.6L
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End9,750 lb 3.73 ratio
Stock Number183993
MLS Number13315625
CategoryFlatbed Trucks
Last Updated1/8/2025
Location
Tulsa, OK, US
Sold By

Penske Used Trucks

GMC TopKick C7500 24 ft Flatbed Truck - 225HP, 6 Speed Manual
20 0

2005 GMC TopKick C7500 24 ft Flatbed Truck - 225HP, 6 Speed Manual

$10,000 USD
GOOD TRUCK, RUNS GREAT, NICE HEAVY DUTY 24 FOOT FLAT BED, AIR BRAKES, GOOD TIRES!,
ConditionUsed
Usage266,118 Miles
Duty ClassHeavy Duty Flatbed Truck
Bed Length24 ft.
Horse Power225 HP
Drivetrain4x2
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Rear End21,000 lb
Stock Number05GMC266SAFLAT
MLS Number13303952
CategoryFlatbed Trucks
Last Updated12/28/2024
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

GMC 3500HD Flatbed Truck - 445HP, 6 Speed Automatic
26 0

2019 GMC 3500HD Flatbed Truck - 445HP, 6 Speed Automatic

$55,900 USD
Highway Safety Arrowboard Controller, 6.6-liter turbodiesel V8 engine with 445 horsepower and 910 lb-ft of torque, Six-speed automatic transmission from Allison,,
ConditionUsed
Usage40,288 Miles
Duty ClassLight Duty Flatbed Truck
Horse Power445 HP
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear End9,750 lb
Floor TypeWood Floor
Stock NumberC5265
MLS Number13295117
CategoryFlatbed Trucks
Last Updated12/20/2024
Location
West Sacramento, CA, US
Sold By

DeWald Equipment

GMC TopKick C6500 Mechanic / Service Truck - Caterpillar, 220HP, 6 Speed Manual
24 0

1993 GMC TopKick C6500 Mechanic / Service Truck - Caterpillar, 220HP, 6 Speed Manual

$8,000 USD
GOOD OLD TRUCK, RUNS EXCELLENT, GOOD SERVICE/TOOL BED WITH LOTS OF STORAGE, AIR COMPRESSOR WITH EXTRA AIR TANK, HYDRAULIC BRAKES!,
ConditionUsed
Usage377,491 Miles
Duty ClassMedium Duty Service Truck
Horse Power220 HP
Engine ModelCaterpillar 3116
Drivetrain4x2
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Rear End15,000 lb
Stock Number93GMC377SER
MLS Number13290938
CategoryMechanic / Utility / Service Trucks
Last Updated12/18/2024
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

GMC TopKick C7500 2500 Gallon Water Truck - Caterpillar 220HP, 6 Speed Manual
16 0

1995 GMC TopKick C7500 2500 Gallon Water Truck - Caterpillar 220HP, 6 Speed Manual

$12,000 USD
good older truck, runs great, good tank! hydraulic brakes!,
ConditionUsed
Usage309,976 Miles
Duty ClassHeavy Duty Water Truck
Horse Power220 HP
Engine ModelCaterpillar 3126
Drivetrain4x2
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Capacity2500 Gallons
Stock Number95GMC309SAWATER
MLS Number13253407
CategoryWater Trucks
Last Updated11/24/2024
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

GMC W5500 16 ft Refrigerated Truck - 6 Speed Automatic, Carrier, Liftgate
38 0

2007 GMC W5500 16 ft Refrigerated Truck - 6 Speed Automatic, Carrier, Liftgate

$39,995 USD
Very low Actual miles and hours on reefer truck! 5.2L Isuzu diesel engine, Automatic transmission, Carrier Supra 550 reefer w/ ONLY 7 engine hours, Aluminum Liftgate, reefer standby, Ask...
ConditionUsed
Usage13,805 Miles
Duty ClassMedium Duty Refrigerated Truck
Box Length16 ft.
Drivetrain4x2
Transmission6 Speed Automatic
Reefer UnitCarrier
SuspensionSpring
Rear AxleSingle Axle
LiftgateYes
MLS Number13005044
CategoryRefrigerated Trucks
Last Updated12/11/2024
Location
Cartersville, GA, US
Sold By

Georgia Elite Trucks

GMC T7F042 Box Truck - 220HP, 6 Speed Automatic, Roll up Door
28 0

2007 GMC T7F042 Box Truck - 220HP, 6 Speed Automatic, Roll up Door

$9,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage298,343 Miles
Duty ClassMedium Duty Box Truck
Horse Power220 HP
Engine ModelIsuzu 6HK1TC
Transmission6 Speed Automatic
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End4.88 ratio
Door TypeRoll up
Stock Number716944
MLS Number13020624
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated2/5/2025
Location
Fitchburg, MA, US
Sold By

Penske Used Trucks

GMC C7500 Flatbed Truck - 300HP, 6 Speed Manual
25 0

1998 GMC C7500 Flatbed Truck - 300HP, 6 Speed Manual

$5,500 USD
INSPECTION REPORT AVAILABLE UPON REQUEST Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer...
ConditionUsed
Usage417,538 Miles
Duty ClassMedium Duty Flatbed Truck
Horse Power300 HP
Engine ModelCaterpillar 3126E
Transmission6 Speed Manual
Sleeper Size0"
SuspensionSpring
Rear AxleSingle Axle
Rear End22,000 lb
Stock Number716633
MLS Number12662586
CategoryFlatbed Trucks
Last Updated1/8/2025
Location
Jacksonville, FL, US
Sold By

Penske Used Trucks

GMC TopKick C7500 Single Axle Dump Truck - Cummins, 6 Speed Manual
9 0

1993 GMC TopKick C7500 Single Axle Dump Truck - Cummins, 6 Speed Manual

$19,999 USD
1993 GMC Topkick Single Axel Dump Truck,
ConditionUsed
Usage121,000 Miles
Duty ClassHeavy Duty Dump Truck
Drivetrain4x2
Transmission6 Speed Manual
Rear AxleSingle Axle
MLS Number11995467
CategoryDump Trucks
Last Updated5/29/2024
Location
Athens, TN, US
Sold By

Gateline Equipment

2006 GMC C8500 National N80 Knuckleboom Flatbed Truck
22 1

2006 GMC C8500 National N80 Knuckleboom Flatbed Truck

$38,500 USD
2006 GMC C8500 National N80 Knuckleboom Flatbed Truck, Year: 2006, Make: GMC, Model: C8500, Vin: XXXXXXXXXXXXX3715, 144,778 Miles, Engine: Caterpillar C7 Diesel, Transmission: Manual...
ConditionUsed
Usage144,778 Miles
Engine ModelCaterpillar
Transmission6 Speed Manual
MLS Number12629202
CategoryTruck-Mountable Knuckle Boom Cranes
Last Updated2/12/2024
Location
Miami, FL, US
Sold By

Action Truck & Equipment

Did you find what you were looking for? Yes No