2013 Ram 2500/3500 Heavy Duty
POWERTRAIN
DRIVETRAIN LAYOUT Front engine, 2WD/4WD
ENGINE 90-deg V-8, iron block/aluminum heads
BORE X STROKE 3.92 x 3.58 in
DISPLACEMENT 345 cu in/5.7L
COMPRESSION RATIO 10.5:1
VALVE GEAR OHV, 2 valves/cyl
POWER (SAE NET) 383 hp @ 5600 rpm
TORQUE (SAE NET) 400 lb-ft @ 4000 rpm
OPT ENGINE I-6 turbodiesel, iron block/head
BORE X STROKE 4.21 x 4.88 in
DISPLACEMENT 408 cu in/6.7L
COMPRESSION RATIO 16.5:1
VALVE GEAR OHV, 4 valves/cyl
POWER (SAE NET) 350 hp @ 2800 rpm (G56), 370 @ 2800 rpm (68RFE), 385 @ 2800 rpm (AS69RC)
TORQUE (SAE NET) 660 lb-ft @ 1500 rpm (G56), 800 lb-ft @ 1600 rpm (68RFE), 850 lb-ft @ 1600 rpm (AS69RC)
TRANSMISSION G56 6-speed manual (diesel)
1ST 5.94:1
2ND 3.28:1
3RD 1.98:1
4TH 1.31:1
5TH 1.00:1
6TH 0.74:1
REVERSE 5.42:1
OPT TRANSMISSION 66RFE (gas), 68RFE (diesel) 6-speed automatic
1ST 3.23:1
2ND 1.84:1
3RD 1.41:1
4TH 1.00:1
5TH 0.82:1
6TH 0.63:1
REVERSE 4.44:1
OPT TRANSMISSION AS69RC 6-speed automatic (diesel)
1ST 3.75:1
2ND 2.00:1
3RD 1.34:1
4TH 1.00:1
5TH 0.77:1
6TH 0.63:1
REVERSE 3.54:1
AXLE RATIOS 3.42:1, 3.73:1, 4.10:1, 4.56:1
FINAL-DRIVE RATIOS 2.15:1, 2.35:1, 2.58:1, 2.87:1
TRANSFER-CASE MODELS BW 44-46 (electric), BW 44-47 (manual) part time
LOW-RANGE RATIO 2.64:1
CRAWL RATIO (1ST X AXLE GEARS X LOW RANGE) 38.9:1