FCA CANADA
2018 Ram 2500 Heavy Duty
CANADIAN SPECIFICATIONS

Specifications are based on the latest product information available at the time of publication.  
All dimensions are in millimetres (inches) unless otherwise noted.  
All dimensions measured at curb weight with standard tires and wheels.

GENERAL INFORMATION	
Vehicle Type	Regular Cab, Crew Cab and Mega Cab, 2WD, 4WD	
Assembly Plant	Saltillo Truck Assembly Plant, Coahuila, Mexico 	
EPA Vehicle Class	Standard Pickup	
		
BODY/CHASSIS		
Model	2WD	4WD	
Layout	Longitudinal, front engine	Longitudinal, front engine, transfer case	
Construction	Ladder-type frame, steel cab, 
double-wall steel pickup box	Ladder-type frame, steel cab, 
double-wall steel pickup box	
	
ENGINE: 5.7-LITRE HEMI® V-8	
Type and Description	90-degree V-type, liquid-cooled, with variable-valve timing (VVT)	
Displacement	345 cu. in. (5,654 cu. cm)	
Bore x Stroke	3.92 x 3.58 (99.5 x 90.9)	
Valve System	Pushrod-operated overhead valves, 16 valves, hydraulic lifters with roller followers	
Fuel Injection	Sequential, multiport, electronic, returnless	
Construction	Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers	
Compression Ratio	10.5:1	
Power 	383 hp (286 kW) @ 5,600 rpm 	
Torque 	400 lb.-ft. (542 N•m) @ 4,000 rpm	
Maximum Engine Speed	5,800 rpm	
Fuel Requirement	Unleaded mid-grade, 89 octane (R+M)/2 — recommended 
Unleaded regular, 87 octane (R+M)/2 — acceptable
Compressed Natural Gas — optional	
Oil Capacity	7.0 quarts (6.6 litres)	
Coolant Capacity	18.3 quarts (17.30 litres)	
Emission Control	Three-way catalytic converters, heated oxygen sensors, internal engine features and knock sensors	
	
ENGINE: 6.4-LITRE HEMI® V-8	
Type and Description 	90-degree V-type, liquid-cooled, with variable-valve timing (VVT)	
Displacement 	392 cu. in. (6,417 cu. cm) 	
Bore x Stroke 	4.09 x 3.72 (103.9 x 94.6)	
Valve System 	Pushrod-operated overhead valves, 16 valves, eight de-activating and eight hydraulic lifters, all with roller followers	
Fuel Injection	Sequential, multiport, electronic, returnless	
Construction 	Deep-skirt cast-iron block with cross-bolted main bearing caps, 356 aluminum cylinder heads with hemispherical combustion chambers	
Compression Ratio 	10.0:1	
Power 	410 hp (306 kW) @ 5,600 rpm 	
Torque  	429 lb.-ft. (582 N•m) at 4,000 rpm	
Maximum Engine Speed 	5,800 rpm limited	
Fuel Requirement 	Unleaded regular, 87 octane (R+M)/2 	
Oil Capacity 	7.0 quarts (6.6 litres)	
Coolant Capacity 	16.6 quarts (15.75 litres)	
Emission Control 	Three-way catalytic converters, heated oxygen sensors, cooled electronic exhaust-gas recirculation (EGR) and individual cylinder fuel control	
	
ENGINE: 6.7-LITRE CUMMINS TURBO DIESEL I-6 (two versions)	
Type and Description	Inline, liquid-cooled, turbocharged, intercooled	
Displacement	408 cu. in. (6,690 cu. cm)	
Bore x Stroke	4.21 x 4.88 (107 x 124)	
Valve System	Pushrod-operated overhead valves, 24 valves, solid lifters	
Fuel Injection	Electronic high-pressure common rail	
Construction	Cast-iron block and head	
Compression Ratio	16.2:1	
Power 	350 hp (261 kW) @ 2,800 rpm (G56 manual transmission)	
Torque (Manual)		660 lb.-ft. (881 N•m) @ 1,400 rpm	
Power 	370 hp (276 kW) @ 2,800 rpm (68RFE automatic transmission)	
Torque (Automatic)	800 lb.-ft. (1,084 N•m) @ 1,600 rpm	
Maximum High-idle Engine Speed	3,200 rpm	
Fuel Requirement	Ultra-low sulfur diesel	
Oil Capacity	12.0 quarts (11.3 litres) with filter	
Coolant Capacity	23.8 quarts (22.50 litres)	
Emission Controls	Selective Catalytic Reduction (SCR)	
	
TRANSMISSION: G56 — MANUAL SIX-SPEED OVERDRIVE	
Availability	6.7-litre diesel	
Description	Synchronized in all gears	
Gear Ratios 		
1st	5.94	
2nd	3.28	
3rd	1.98	
4th	1.31	
5th	1.0	
6th	0.74	
Reverse	5.42	
Axle ratios	3.42	
		
TRANSMISSION: 66RFE — AUTOMATIC SIX-SPEED	
Availability	5.7-litre HEMI V-8 and 6.4-litre HEMI V-8	
Description	Three planetary gear sets, one overrunning clutch, full electronic control, electronically controlled converter clutch	
Gear Ratios		
1st	3.23	
2nd	1.84	
3rd	1.41	
4th	1.00	
5th	0.82	
6th	0.63	
Reverse	4.44	
Axle ratios	3.73 and 4.10	
	
TRANSMISSION: 68RFE — AUTOMATIC Six-SPEED	
Availability	6.7-litre diesel	
Description	Three planetary gear-sets, one overrunning clutch, full electronic control, electronically controlled converter clutch	
Gear Ratios		
1st	3.23	
2nd	1.84	
3rd	1.41	
4th	1.0	
5th	0.82	
6th	0.63	
Reverse	4.44	
Axle ratios	3.42	
	
TRANSFER CASES: BW 44-46, BW 44-47	
Availability	Optional on 6.7-litre diesel, 6.4-litre HEMI V-8 and 5.7-litre HEMI V-8	
Type	Part-time – BW 44-47 manual shift and BW 44-46 electric shift	
Operating Modes	2WD; 4WD High; Neutral; 4WD Low	
Low-range Ratio	2.64	
Centre Differential	None	
		
AXLES		
Front (4x4)	AAM 9.25-in. beam front axle with centre disconnect (locking differentials on Power Wagon)	
Rear	AAM 11.5-in. beam rear axle (locking differentials on Power Wagon)	
	
ELECTRICAL SYSTEM	
Alternator		
Rating	160-amp standard with 5.7-litre HEMI V-8	
Rating	180-amp included with 6.4-litre HEMI V-8 and 6.7-litre diesel, optional on 5.7-litre HEMI V-8	
Rating	Dual (220 and 160) optional on 6.4-litre HEMI V-8	
Rating	Dual 220-amp optional on 6.7-litre diesel	
Battery		
Description	Group 65, maintenance-free, 730 CCA on 5.7-litre HEMI V-8 and 6.4-litre 
HEMI V-8	
	Dual Group 65, maintenance-free, 730 CCA on 6.7-litre diesel	
		
SUSPENSION		
Model	2WD	4WD	
Front	Three-link with track bar, coil springs, stabilizer bar, solid axle	Three-link with track bar, coil springs, stabilizer bar, solid axle, disconnecting sway bar (Power Wagon only)	
Rear	Five-link with track bar, coil springs, stabilizer bar, solid axle	Five-link with track bar, coil springs, stabilizer bar, solid axle (optional air bags)	
		
BRAKES		
Front		
Size and Type	14.17 x 1.54. (359.9 x 39.1) disc with twin-piston pin-slider caliper and ABS	
Rear		
Size and Type	14.09 x 1.34 (357.9 x 34.0) disc with twin-piston pin-slider caliper and ABS	
Power-assist type	Dual-rate, tandem diaphragm vacuum (gas) 	
	Hydro-boost (diesel)	
		
AIR BAGS		
Regular Cab	6	
Crew Cab	6	
Mega Cab	6	

		
STEERING		
Power-assist	Hydraulic assist	

Regular Cab Pickup			
Model	2WD	4WD	
Box Length	8-ft.	8-ft.	
Wheelbase (nominal)	140.5 (3,568.7)	140.0 (3,556.0)	
Turning Diametre – ft. (m)(a)	45.1 (13.7)	41.6 (12.7)	
			
Crew Cab Pickup	
Model	2WD	2WD	4WD 	4WD	
Box Length	6-ft. 4-in.	8-ft.	6-ft. 4in.	8-ft.	
Wheelbase (nominal)	149.4 (3,794.8)	169.4 (4,302.8)	148.9 (3,782.1)	168.9 (4,290.1)	
Turning Diametre – ft. (m)(a)	47.5 (14.5)	53.2 (16.2)	43.9 (13.4)	49.2 (15.0)	
			
Mega Cab Pickup			
Model	2WD	4WD	
Box Length	6-ft. 4-in.	6-ft. 4-in.	
Wheelbase (nominal)	160.5 (4,076.7)	160.0 (4,064.0)	
Turning Diametre – ft. (m)(a)	50.67 (15.4)	46.86 (14.3)	
(a) Turning diametre is measured at the outside of the tires at curb height. Turning diametres and steering wheel turns, lock-to-lock may differ with optional tires and wheels.	

Nominal Box Size 	6-ft. 4-in. 
(Regular, Crew or Mega)	8-ft. 
(Regular, Crew)	
SAE volume, cu. ft. (litres) 	57.5 (1,628)	74.7 (2,115)	
Length at Floor, Tailgate Closed  	76.3 (1,938.5)	98.3 (2,496.5)	
Cargo Width  	66.4 (1,686.9)	66.4 (1,686.9)	
Distance Between Wheelhouses  	51 (1,295.4)	51 (1,295.4)	
Depth  	20.1 (511.1)	20.2 (513.0)	
Tailgate Opening Width	60.4 (1,535.3)	60.4 (1,535.3)	

Regular Cab 140.5-IN. WB, 8-ft. Box SRW 	4x2	4x4	
Wheelbase	140.5 (3,568.7)	140.5 (3,568.7)	
Track Width – Front	68.6 (1,742.4)	68.3 (1,734.8)	
Track Width – Rear	68.2 (1,732.3)	68.2 (1,732.3)	
Overall Length	231.0 (5,867.4)	231.0 (5,867.4)	
Overall Width @ SgRP Front	78.9 (2,004.1)	78.9 (2,004.1)	
Overall Height	73.3 (1,861.8)	75.7 (1,922.8)	
Suspension or Axle to Ground – Front	7.6 (193.0)	7.5 (190.5)	
Suspension or Axle to Ground – Rear	7.4 (188.0)	7.4 (188.0)	
Approach Angle (degrees)	13.2	23.0	
Ramp Breakover Angle (degrees)	16.5	16.9	
Departure Angle (degrees)	18.1	21.6	
	
Crew Cab 149.5-IN. WB, 6-ft. 4-in. Box SRW	4x2	4x4	
Wheelbase	149.5 (3,797.3)	149.5 (3,797.3)	
Track Width – Front	68.6 (1,742.4)	68.3 (1,734.8)	
Track Width – Rear	68.2 (1,732.3)	68.2 (1,732.3)	
Overall Length	237.4 (6,029.9)	237.4 (6,029.9)	
Overall Width @ SgRP Front	79.1 (2,009.1)	79.1 (2,009.1)	
Overall Height	73.7 (1,871.9)	77.7 (1,973.6)	
Suspension or Axle to Ground – Front	7.1 (180.3)	7.4 (188.0)	
Suspension or Axle to Ground – Rear	7.3 (185.4)	7.1 (180.3)	
Approach Angle (degrees)	13.4	21.8	
Ramp Breakover Angle (degrees)	15.1	18.2	
Departure Angle (degrees)	18.8	22.3	

			
Crew Cab 169.5-IN. WB, 8-ft. Box SRW 	4x2	4x4	
Wheelbase	169.4 (4,302.7)	168.9 (4,290.1)	
Track Width – Front	68.6 (1,742.4)	68.3 (1,734.8)	
Track Width – Rear	68.2 (1,732.3)	68.2 (1,732.3) 	
Overall Length	259.4 (6,588.8)	259.4 (6,588.8)	
Overall Width @ SgRP Front	79.1 (2,009.1)	79.1 (2,009.1)	
Overall Height	73.5 (1,866.9)	77.6 (1,971)	
Suspension or Axle to Ground – Front	7.1 (180.3)	7.3 (185.4)	
Suspension or Axle to Ground – Rear	7.3 (185.4)	7.2 (182.9)	
Approach Angle (degrees)	13.4	21.7	
Ramp Breakover Angle (degrees)	14.1	16.5	
Departure Angle (degrees)	18.0	21.4	

Mega Cab 160.5-IN. WB, 6-ft. 4-in. Box SRW 	4x2	4x4	
Wheelbase	160.5 (4,076.7)	160.0 (4,064)	
Track Width – Front	68.6 (1,742.4)	68.3 (1,734.8)	
Track Width – Rear	68.2 (1,732.3)	68.2 (1,732.3)	
Overall Length	248.4 (6,309.4)	248.4 (6,309.4)	
Overall Width @ SgRP Front	79.1 (2,009.1)	79.1 (2,009.1)	
Overall Height	74.1 (1,882.1)	78.3 (1,988.8)	
Suspension or Axle to Ground – Front	7.8 (198.1)	8.1 (205.7)	
Suspension or Axle to Ground – Rear	7.8 (198.1)	7.7 (195.6)	
Approach Angle (degrees)	14.0	23.9	
Ramp Breakover Angle (degrees)	15.8	18.3	
Departure Angle (degrees)	19.1	23.0	

ACCOMMODATIONS	
Model			
	Regular Cab	Crew Cab	Mega Cab	
Seating Capacity, F/R	3/0 or 2/0	3/3 or 2/3	3/3 or 2/3	
Front				
Headroom 	39.9 (1,013.5)	41.0 (1,040.5)	41.0 (1,040.5)	
Legroom 	41 (1,041.4)	41 (1,041.4)	41 (1,041.4)	
Shoulder Room 	66 (1,676.4)	66 (1,676.4)	66 (1,676.4)	
Hip Room 	62.9 (1,598.7)	63.2 (1,605.3)	63.2 (1,605.3)	
Seat Travel 	9.0 (230.0)	9.0 (230.0)	9.0 (230.0)	
Recliner Range (degrees)	85 (38 RWD, 47 FWD)	56 (38 RWD, 18 FWD)	56 (38 RWD, 18 FWD)	
Rear				
Headroom 	N/A	39.9 (1,013.5)	40.3 (1,023.6)	
Legroom 	N/A	40.3 (1,023.6)	43.3 (1,099.5)	
Shoulder Room 	N/A	65.7 (1,668.8)	65.7 (1,668.8)	
Hip Room 	N/A	63.2 (1,605.3)	63.2 (1,605.3)	
Interior Volume 				
Front – cu. ft. (litres)	62.5 (1,769.8)	64.2 (1,818)	64.2 (1,818)	
Rear – cu. ft. (litres)	N/A	61.1 (1,730)	66.3 (1,877)	

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