| DodgeRam.org > Main > Tech Index > Specs > Brakes |
| 1994-2001 Ram Brake Specs |
| Visit Geno's Garage for Truck accessories. |
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Ram 1500
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1994-1999
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2000-2001
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2WD
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4WD
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| Power Assist Type |
vacuum dual diaphragm
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| Total Brake Swept Area |
538.8 sq. in.
3476 sq cm |
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| Front Vented Disc Dia x Thickness (a) |
11.6 x 1.25"
294 x 32mm |
11.96x1.18"
304x30mm |
12.10x1.18" 307.5x30mm |
| Minimum Rotor Thickness |
marked on rotor
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1.215" 30.86mm |
1.2689" 32.23mm |
| Max Runout |
0.005" 0.127mm
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0.005" 0.127mm
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| Max Thickness variation |
0.001", 0.025mm
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| Brake Caliper Piston |
2.95", 75mm
Single piston |
2.126" 54mm
Dual piston |
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| Minimum pad lining thickness |
5/16"
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| Drum Size | 11 x 2.0", 280 x 51mm |
11x2.5", 279x57mm
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| Wheel Cylinder Bore |
0.937", 23.8mm
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1.00", 25.4mm
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| Max Runout |
0.008", 0.20mm
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0.007", 0.18mm
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| Max Thickness variation |
0.003", 0.076mm
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0.003", 0.076mm
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| Minimum lining thickness |
1/16"
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| The brake shoes are not fixed on the support plate, which allows the shoes to pivot and move vertically as needed. | |||
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1994-1999 HD
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2500 2WD
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2500 4X4 |
3500
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| Power Assist Type | 1994-1995 all: Dual Vacuum Diaphragm 1996-1999 Gas Engine: Dual Vacuum Diaphragm 1996-2001 Diesel Engine: Hydraulic Booster |
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| Total Brake Swept Area |
676.4 sq. in.
4364 sq. cm. |
761.8 sq. in.
4915 sq. cm. |
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| Front Disc Brakes (All 1994-1999 2500 and 1994-1997 3500 Available w/ optional ABS) (1998-1999 3500: standard w/ ABS) |
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| Vented Disc Size Dia x Thickness |
12.5 x 1.5", 318 x 38mm
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| Minimum Rotor Thickness | 1.334" or as marked on Rotor | ||
| Brake Caliper Piston |
3.14", 80mm
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3.38" (86mm)
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| Minimum lining thickness |
5/16"
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| Rear Drum Brakes (All standard w/ ABS) | |||
| Size |
13.0 x 2.5, 330 x 63.5mm
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13.0 x 3.5", 330 x 89mm
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| Wheel Cylinder Bore |
94-96 0.937", 23.8mm
97-99 1.06", 27mm |
1.06" (27mm)
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| Minimum lining thickness |
1/16"
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| The brake shoes are not fixed on the support plate, which allows the shoes to pivot and move vertically as needed. | |||
| 2000-2001: All 2500, 3500 Disc/Drum Brakes - built before Jan 1, 2001 | |
| Power Assist Type | Dual Vacuum Diaphragm w/gasoline engine Hydraulic booster w/diesel engine |
| Total Brake Swept Area | |
| Front Disc Brakes (2500 Available w/ optional ABS, 3500 standard with ABS) | |
| Front Vented Disc Dia x Thickness |
12.5 x 1.5", 326.5 x 36mm
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| Minimum Rotor Thickness |
1.32", 33.53mm
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| Max Runout |
0.005", 0.127mm
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| Max Thickness variation |
0.001", 0.025mm
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| Brake Caliper Bores |
2.205", 56mm
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| Minimum pad lining thickness |
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| Brake Calipers use dual phenolic resin pistons | |
| Rear Drum Brakes (All w/ standard ABS) | |
| Drum Size |
12.125 x 3.5" 308 x 89mm
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| Wheel Cylinder Bore |
1.00", 25.4mm
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| Max Runout |
0.007", 0.18mm
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| Max Thickness variation |
0.003", 0.076mm
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| Minimum lining thickness |
1/16"
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The brake shoes are not fixed on the support plate, which allows the shoes to pivot and move vertically as needed. |
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| 2001.5: All 2500, 3500 Four wheel Disc Brake - built after Jan 1, 2001 | |
| Power Assist Type | Dual Vacuum Diaphragm w/gasoline engine Hydraulic booster w/diesel engine |
| Total Brake Swept Area | |
| Front Disc Brakes (2500 Available w/ optional ABS, 3500 standard with ABS) | |
| Front Vented Disc Dia x Thickness |
12.5 x 1.5", 326.5 x 36mm
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| Minimum Rotor Thickness |
1.32", 33.53mm
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| Max Runout |
0.005", 0.127mm
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| Max Thickness variation |
0.001", 0.025mm
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| Brake Caliper Bores |
2 x 2.205", 56mm
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| Minimum pad lining thickness |
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| Brake Calipers use dual phenolic resin pistons | |
| Rear Disc Brakes (All w/ standard ABS) | |
| Disc Dia x Thickness |
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| Brake Caliper Bore |
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| Max Runout |
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| Max Thickness variation |
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| Minimum lining thickness |
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Last Update August 8, 2001