RAM Ram 2500 2012 User manual

1/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
2012 Ram 2500/3500 Heavy Duty
SPECIFICATIONS
All dimensions are in inches (millimeters) unless otherwise noted.
All dimensions measured at curb weight with standard tires and wheels.
GENERAL INFORMATION
Body Styles
Regular Cab, Crew Cab and Mega Cab
Assembly Plants
Saltillo Assembly Plant - Coahuila, Mexico
EPA Vehicle Class
Standard Pickup
Introduction Date
2010 Model Year
ENGINE: 5.7-LITER HEMI®V-8
Availability
Standard on 2500 Series Models(a)
Type and Description
Eight-cylinder, 90-degree V-8, liquid-cooled with
variable-valve timing (VVT)
Displacement
343 cu. in. (5654 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, multi-port, electronic, returnless
Construction
Deep-skirt cast-iron block with cross-bolted main bearing caps,
aluminum alloy heads with hemispherical combustion chambers
Compression Ratio
9.6:1
Power (SAE net)
383 bhp (286 kW) @ 5,600 rpm, 2500 series(b)
Torque (SAE net)
400 lb.-ft. (542 N•m) @ 4,000 rpm, 2500 series
Max. Engine Speed
5,800 rpm
Fuel Requirement
Unleaded mid-grade, 89 octane (R+M)/2—recommended
Unleaded regular, 87 octane (R+M)/2—acceptable
Oil Capacity
7.0 qt. (6.6L)
Coolant Capacity
18.7 qt. (17.7L)
Emission Control
Dual three-way catalytic converters, internal engine features with
knock sensors(b)
(a) Not available on 3500 Series Pickup models.
(b) All manual transmission equipped vehicles meet LEV I chassis-certified emission requirements in California, New York, Massachusetts,
Maine and Vermont. Meets Tier 2 HDV 1, 2 chassis-certified emission requirements in 45 remaining states.
Ram 2500 and 3500 models equipped with automatic transmission and sold in 45 states meet Tier 2 HDV 1, 2 chassis-certified emission
requirements. Ram 2500 models equipped with automatic transmission and sold in California, New York, Massachusetts, Maine and
Vermont meet LEV II—MDV 1 category chassis-certified emission requirements. Ram 3500 models equipped with automatic transmission
and sold in California, New York, Massachusetts, Maine and Vermont meet LEV II—MDV 2 category chassis-certified emission
requirements.

2/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
ENGINE: 6.7-LITER HIGH OUTPUT CUMMINS®TURBO DIESEL I-6
Availability
Standard on 3500 Series
Type and Description
Six-cylinder, inline, liquid-cooled, turbocharged, intercooled
Displacement
408 cu. in. (6690 cu. cm)
Bore x Stroke
4.21 x 4.88 (107 x 124)
Valve System
OHV, 24 valves, solid lifters
Fuel Injection
Electronic high-pressure common rail
Construction
Cast-iron block and head
Compression Ratio
17.3:1
Power (SAE net)
350 bhp (261 kW) @ 3,000 rpm
Torque (Manual SAE net)
650 lb.-ft. (881 N•m) @ 1,500 rpm
Torque (Automatic SAE net)
800 lb.-ft. (881 N•m) @ 1,500 rpm
Maximum High-idle Engine Speed
3,500 rpm
Fuel Requirement
Ultra low sulfur diesel
Oil Capacity
12.0 qt. (11.3L) with filter
Coolant Capacity
29.5 qt. (28.0L)
Emission Controls
No diesel exhaust fluid required
ELECTRICAL SYSTEM
Alternator
Availability
Standard—All
Rating
160-amp
Availability
Optional
Rating
180-amp included with Snow Plow Prep Package
Battery
Availability
Standard—2500 and 3500 with gasoline engines
Description
Group 65, maintenance-free, 600 CCA
Availability
Standard—All with diesel engines; included in Heavy Duty Snow Plow and
Trailer-tow Groups
Description
Group 65, maintenance-free, 750 CCA

3/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
TRANSMISSION: G56—MANUAL SIX-SPEED OVERDRIVE
Availability
Standard with 6.7-liter High-output Diesel
Description
Synchronized in all gears
Gear Ratios ( 6.7L Diesel)
1st
5.94
2nd
3.28
3rd
1.98
4th
1.31
5th
1.00
6th
0.74
Reverse
5.42
TRANSMISSION: 66RFE—AUTOMATIC SIX-SPEED
Availability
Standard with 5.7-liter engines on 2500 series models
Description
Three planetary gear sets, one overrunning clutch, full electronic control,
electronically controlled converter clutch
Gear Ratios
1st
3.231
2nd
1.837
3rd
1.41
4th
1
5th
0.816
6th
0.625
Reverse
4.444
Overall Top Gear
2.33 with 3.73 axle ratio; 2.56 with 4.10 axle ratio, 2.85 with 4.56 axle ratio
TRANSMISSION: 68RFE—AUTOMATIC SIX-SPEED
Availability
Optional with 6.7L Cummins Turbo Diesel engine
Description
Three planetary gear-sets, one overrunning clutch, full electronic control,
electronically controlled converter clutch
Gear Ratios
1st
3.231
2nd
1.837
3rd
1.41
4th
1
5th
0.816
6th
0.625
Reverse
4.444
Overall Top Gear
2.33 with 3.73 axle ratio; 2.56 with 4.10 axle ratio

4/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
TRANSFER CASES: NV271/NV273
Availability
NV271—Standard 4WD ST
NV273—Standard Laramie; Optional SLT
Type
Part-time
Operating Modes
2WD; 4WD High; Neutral; 4WD Low
Shift Mechanism
NV271—manual; NV273—electric
Low-range Ratio
2.72
Center Differential
None

5/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
2012 Ram 2500 Heavy Duty
DIMENSIONS AND CAPACITIES
REGULAR CAB 140.5"WB 8' 0" BOX SRW
4x2
4x4
Wheelbase
140.5
140.0
Track Width – Front
68.6
68.3
Track Width – Rear
68.2
68.2
Overall Length
231.0
231.0
Overall Width @ SgRP Front
78.9
78.9
Overall Height
73.3
75.7
Suspension or Axle to Ground – Front
7.6
7.5
Suspension or Axle to Ground – Rear
7.4
7.4
Approach Angle
16.4
18.1
Ramp Breakover Angle
16.5
16.9
Departure Angle
22.8
27.6
CREW CAB 149.5"WB 6' 4" BOX SRW
4x2
4x4
Wheelbase
149.4
148.9
Track Width – Front
68.6
68.3
Track Width – Rear
68.2
68.2
Overall Length
237.4
237.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
73.7
77.7
Suspension or Axle to Ground – Front
7.1
7.4
Suspension or Axle to Ground – Rear
7.3
7.1
Approach Angle
12.5
21.8
Ramp Breakover Angle
15.1
18.2
Departure Angle
23.7
27.0
CREW CAB 169.5"WB 8' 0" BOX SRW
4x2
4x4
Wheelbase
169.4
168.9
Track Width – Front
68.6
68.3
Track Width – Rear
68.2
68.2
Overall Length
259.4
259.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
73.5
77.6
Suspension or Axle to Ground – Front
7.1
7.3
Suspension or Axle to Ground – Rear
7.3
7.2
Approach Angle
12.5
21.8
Ramp Breakover Angle
14.1
16.5
Departure Angle
22.7
25.9

6/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
MEGA CAB 160.5"WB 6' 4" BOX SRW
4x2
4x4
Wheelbase
160.5
160.0
Track Width – Front
68.6
68.3
Track Width – Rear
68.2
68.2
Overall Length
248.4
248.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
74.1
78.3
Suspension or Axle to Ground – Front
7.8
8.1
Suspension or Axle to Ground – Rear
7.8
7.7
Approach Angle
14.0
23.4
Ramp Breakover Angle
15.8
18.3
Departure Angle
24.2
27.6
Cargo Box
Nominal Box Size
6 ft. 4 in. (Crew or Mega)
8 ft. (Regular or Crew)
SAE Volume, cu. ft. (cu m)
57.5 (1.6)
74.7 (2.1)
Length at Floor, Tailgate Closed – in. (mm)
76.3 (1938.5)
98.3 (2496.5)
Cargo Width – in. (mm)
66.4 (1686.9)
66.4 (1686.9)
Distance Between Wheelhouses – in. (mm)
51 (1295.4)
51 (1295.4)
Depth – in. (mm)
20.1 (510.5)
20.2 (513.2)
Tailgate Opening Width in. – (mm)
60.4 (1535.3)
60.4 (1535.3)
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
Head Room – in. (mm)
40.3 (1022.6)
41.0 (1040.5)
41.0 (1040.5)
Legroom – in. (mm)
41 (1041.3)
41 (1041.3)
41 (1041.3)
Shoulder Room – in. (mm)
66 (1676.4)
66 (1676.5)
66 (1676.5)
Hip Room – in. (mm)
62.9 (1676.4)
63.2 (1604.6)
63.2 (1604.6)
Seat Travel – in. (mm)
7.1 (179.2)
7.1 (179.2)
7.1 (179.2)
Recliner Range (degrees)
14°
42°
42°
Rear
Head Room – in. (mm)
N/A
39.9 (1013.5)
39.7 (1007.3)
Legroom – in. (mm)
N/A
40.3 (1023.6)
34.7 (881.4)
Shoulder Room – in. (mm)
N/A
65.7 (1670)
65.7 (1670)
Hip Room – in. (mm)
N/A
63.2 (1605.2)
62.9 (1598.3)
Interior Volume
Front – cu. ft. (cu m)
63.0 (1.8)
64.2 (1.8)
64.2 (1.8)
Rear – cu. ft. (cu m)
N/A
61.1 (1.7)
52.4 (1.5)

7/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
BODY AND 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
SUSPENSION
Model
2WD
4WD
Front
Upper and lower “A” arms, coil
springs, stabilizer bar
Five-link with track bar, coil springs,
stabilizer bar, solid axle
Rear
Hotchkiss leaf spring suspension,
solid axle
Hotchkiss leaf spring suspension,
solid axle
STEERING
Regular Cab Pickup
Model
2WD
4WD
Box Length
Long
Long
Wheelbase (nominal) – in. (mm)
140.5
140.5
Turning Diameter – ft. (m)(a)
45.1
41.6
Crew Cab®Pickup
Model
2WD
2WD
4WD
4WD
Box Length
Short
Long
Short
Long
Wheelbase (nominal) – in. (mm)
149.5
169.5
149.5
169.5
Turning Diameter –ft. (m)(a)
47.5
53.2
43.9
49.2
Mega Cab Pickup
Model
2WD
4WD
Wheelbase (nominal) – in. (mm)
160.5
160.5
Turning Diameter – ft. (m)(a)
50.67
46.86
(a) Turning diameter is measured at the outside of the tires at curb height. Turning diameters and steering wheel turns, lock-to-lock may differ
with optional tires and wheels.
BRAKES
Front
Size and Type – in. (mm)
Rotors 14.17 x 1.54-in. disc with twin-piston pin-slider caliper and ABS
Rear
Size and Type – in. (mm)
Rotors 14.09 x 1.34-inch disc with
twin-piston pin-slider caliper and ABS
Power-assist Type
Dual-rate, tandem diaphragm vacuum (gas)
Hydro-boost (diesel)

8/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
2012 Ram 3500 Heavy Duty
DIMENSIONS AND CAPACITIES
REGULAR CAB 140.5"WB 8' 0" BOX DRW
4x2
4x4
Wheelbase
140.5
140.0
Track Width – Front
68.6
69.5
Track Width – Rear
75.8
75.8
Overall Length
231.0
231.0
Overall Width @ SgRP Front
78.9
78.9
Overall Height
73.6
77.9
Suspension or Axle to Ground – Front
8.0
8.4
Suspension or Axle to Ground – Rear
7.6
7.7
Approach Angle
17.2
25.5
Ramp Breakover Angle
14.4
20.9
Departure Angle
23.1
26.5
CREW CAB 149.5"WB 6' 4" BOX SRW
4x2
4x4
Wheelbase
149.4
148.9
Track Width – Front
68.6
68.3
Track Width – Rear
68.2
68.2
Overall Length
237.4
237.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
74.2
78.4
Suspension or Axle to Ground – Front
7.8
8.1
Suspension or Axle to Ground – Rear
7.8
7.8
Approach Angle
13.9
23.4
Ramp Breakover Angle
16.3
19.4
Departure Angle
24.2
27.7
CREW CAB 169.5"WB 8' 0" BOX SRW
4x2
4x4
Wheelbase
169.4
168.9
Track Width – Front
68.6
68.3
Track Width – Rear
68.2
68.2
Overall Length
259.4
259.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
74.1
78.3
Suspension or Axle to Ground – Front
7.8
8.1
Suspension or Axle to Ground – Rear
7.8
7.7
Approach Angle
14.1
23.5
Ramp Breakover Angle
15.4
17.6
Departure Angle
23.1
26.4

9/ RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
CREW CAB 169.5"WB 8' 0" BOX DRW
4x2
4x4
Wheelbase
169.4
168.9
Track Width – Front
68.6
69.5
Track Width – Rear
75.8
75.8
Overall Length
249.4
259.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
74.1
78.3
Suspension or Axle to Ground – Front
7.9
8.3
Suspension or Axle to Ground – Rear
7.6
7.6
Approach Angle
14.4
23.8
Ramp Breakover Angle
12.0
17.8
Departure Angle
22.9
26.3
MEGA CAB 160.5"WB 6' 4" BOX SRW
4x2
4x4
Wheelbase
160.5
160.0
Track Width – Front
68.6
68.3
Track Width – Rear
68.2
68.2
Overall Length
248.4
248.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
74.1
78.3
Suspension or Axle to Ground – Front
7.8
8.1
Suspension or Axle to Ground – Rear
7.8
7.7
Approach Angle
14.0
23.4
Ramp Breakover Angle
15.8
18.3
Departure Angle
24.2
27.6
MEGA CAB 160.5"WB 6' 3" BOX DRW
4x2
4x4
Wheelbase
160.5
160.0
Track Width – Front
68.6
69.5
Track Width – Rear
75.8
75.8
Overall Length
248.4
248.4
Overall Width @ SgRP Front
79.1
79.1
Overall Height
74.1
78.3
Suspension or Axle to Ground – Front
7.9
8.3
Suspension or Axle to Ground – Rear
7.6
7.5
Approach Angle
14.3
23.8
Ramp Breakover Angle
12.5
18.5
Departure Angle
23.9
27.3

10 / RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
Cargo Box
Nominal Box Size
6 ft 4 in
(Crew or Mega)
8 ft (Regular or Crew)
SAE Volume, cu. ft. (cu m)
57.5 (1.6)
74.7 (2.1)
Length at Floor, Tailgate Closed – in. (mm)
76.3 (1938.5)
98.3 (2496.5)
Cargo Width – in. (mm)
66.4 (1686.9)
66.4 (1686.9)
Distance Between Wheelhouses – in. (mm)
51 (1295.4)
51 (1295.4)
Depth – in. (mm)
20.1 (510.5)
20.2 (513.2)
Tailgate Opening Width in. – (mm)
60.4 (1535.3)
60.4 (1535.3)
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
Head Room – in. (mm)
40.3 (1022.6)
41.0 (1040.5)
41.0 (1040.5)
Legroom – in. (mm)
41 (1041.3)
41 (1041.3)
41 (1041.3)
Shoulder Room – in. (mm)
66 (1676.4)
66 (1676.5)
66 (1676.5)
Hip Room – in. (mm)
62.9 (1676.4)
63.2 (1604.6)
63.2 (1604.6)
Seat Travel – in. (mm)
7.1 (179.2)
7.1 (179.2)
7.1 (179.2)
Recliner Range (degrees)
14°
42°
42°
Rear
Head Room – in. (mm)
N/A
39.9 (1013.5)
39.7 (1007.3)
Legroom – in. (mm)
N/A
40.3 (1023.6)
34.7 (881.4)
Shoulder Room – in. (mm)
N/A
65.7 (1670)
65.7 (1670)
Hip Room – in. (mm)
N/A
63.2 (1605.2)
62.9 (1598.3)
Interior Volume
Front – cu. ft. (cu m)
63.0 (1.8)
64.2 (1.8)
64.2 (1.8)
Rear – cu. ft. (cu m)
N/A
61.1 (1.7)
52.4 (1.5)
BODY AND 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

11 / RAM 2500/3500 HEAVY DUTY SPECIFICATIONS http://media.chrysler.com
SPECIFICATIONS
2500/3500 Heavy Duty
SUSPENSION
Model
2WD
4WD
Front
Upper and lower “A” arms,
coil springs, stabilizer bar
Five-link with track bar, coil springs, stabilizer bar,
solid axle
Rear
Hotchkiss leaf spring
suspension, solid axle
Hotchkiss leaf spring suspension, solid axle
STEERING
Regular Cab Pickup
Model
2WD
4WD
Box Length
Long
Long
Wheelbase (nominal) – in. (mm)
140.5
140.5
Turning Diameter – ft. (m)(a)
45.1
41.6
Crew Cab®Pickup
Model
2WD
2WD
4WD 4WD
Box Length
Short
Long
Short Long
Wheelbase (nominal) – in. (mm)
149.5
169.5
149.5 169.5
Turning Diameter –ft. (m)(a)
47.5
53.2
43.9 49.2
Mega Cab Pickup
Model
2WD
4WD
Wheelbase (nominal) – in. (mm)
160.5
160.5
Turning Diameter – ft. (m)(a)
50.67
46.86
(a) Turning diameter is measured at the outside of the tires at curb height. Turning diameters and steering wheel turns, lock-to-lock may differ
with optional tires and wheels.
BRAKES
Front
Size and Type – in. (mm)
Rotors 14.17 x 1.54-in. disc with twin-piston pin-slider caliper and
ABS
Rear
Size and Type – in. (mm)
Rotors 14.09 x 1.34-in. disc with
twin-piston pin-slider caliper and ABS
Power-assist type
Dual-rate, tandem diaphragm vacuum (gas)
Hydro-boost (diesel)
• • •