26SI Series Alternator – Starter Motor

4N3181 (4N3182) 24V (Delco-Remy Number 1113853)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 5500 rpm

Maximum speed with no load … 7500 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 20V … 75A

Maximum with solenoid at 20V … 95A

Clearance between pinion and housing (pinion clearance) … 9.1 mm (.36 in)

(1) Tension of brush spring … 22.2 N (80 oz.)

(2) Torque for screws holding nose housing to lever housing … 17 to 23 N·m (13 to 17 lb ft)

(3) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

2P3926 24V (Delco-Remy Number 1109637)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 6000 rpm

Maximum speed with no load … 8250 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 23V … 140A

Maximum with solenoid at 23V … 170A

Clearance between pinion and housing (pinion clearance) … 9.1 mm (.36 in)

(1) Tension of brush spring … 17.8 N (64 oz.)

(2) Torque for screws holding nose housing to lever housing … 17 to 23 N·m (13 to 17 lb ft)

(3) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

4N3181 (3T2647) 24V (Delco-Remy Number 1114845)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 5500 rpm

Maximum speed with no load … 9000 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 20V … 70A

Maximum with solenoid at 20V … 110A

Clearance between pinion and housing (pinion clearance) … 8.3 to 9.9 mm (.33 to .39 in)

(1) Torque for terminal nuts … 27 to 34 N·m (20 to 25lb ft)

(2) Torque for screws holding nose housing to lever housing … 18 to 23N·m (13 to 17 lb ft)

4N3181 (8C3651) 24V (Delco-Remy Number 1993804)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 6500 rpm

Maximum speed with no load … 7700 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 20V … 60A

Maximum with solenoid at 20V … 75A

Clearance between pinion and housing (pinion clearance) … 8.3 to 9.9 mm (.33 to .39 in)

(1) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

(2) Torque for screws holding nose housing to lever housing … 23.7 ± 6.1 N·m (17 ± 4.5 lb ft)

3T8946 24V (Delco-Remy Number 1990228 or 1993839)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 5500 rpm

Maximum speed with no load … 7500 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 20V … 95A

Maximum with solenoid at 20V … 120A

Clearance between pinion and housing (pinion clearance) … 8.3 to 9.9 mm (.33 to .39 in)

(1) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

(2) Torque for screws holding nose housing to lever housing … 17 to 23 N·m (13 to 17 lb ft)

9W0058 12V (Delco-Remy Number 1993820)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 5500 rpm

Maximum speed with no load … 7800 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 10V … 100A

Maximum with solenoid at 10V … 170A

Clearance between pinion and housing (pinion clearance) … 8.3 to 9.9 mm (.33 to .39 in)

(1) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

(2) Torque for screws holding nose housing to lever housing … 17 to 23 N·m (13 to 17 lb ft)

4N3181 (4N7752) 24V (Prestolite Number MES6404K)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 6500 rpm

Current consumption (draw) with no load:

Maximum at 20V … 77A

(1) Tension of brush spring … 15 to 18 N (52 to 65 oz.)

(2) Torque for housing bolts … 11 N·m (20 to 25 lb ft)

(3) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

(4) Clearance between pinion and housing (pinion clearance) … 0.51 to 1.27 mm (.020 to .050 in)

3P7 (3P6) 24V (Prestolite Number MFY-6401K)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 5000 rpm

Current consumption (draw) with no load:

Maximum at 20V … 65A

(1) Tension of brush spring … 15 to 18 N (52 to 65 oz.)

(2) Torque for housing bolts … 11 N·m (8 lb ft)

(3) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

(4) Clearance between pinion and housing (pinion clearance) … 0.51 to 1.27 mm (.020 to .050 in)

4N3181 (9G4338) 24V (Prestolite Number MES6601K)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 6500 rpm

Current consumption (draw) with no load:

Maximum at 20V … 77A

(1) Tension of brush spring … 15 to 18 N (52 to 65 oz.)

(2) Torque for housing bolts … 11 N·m (8 lb ft)

(3) Torque for terminal nuts … 27 to 34 N·m (20 to 25 lb ft)

(4) Clearance between pinion and housing (pinion clearance) … 0.51 to 1.27 mm (.020 to .050 in)

4N3181 (3T6305) 24V (Bosch Number 0001-420003)

Rotation as seen from drive end … Clockwise

Minimum speed with no load … 5500 rpm

Current consumption (draw) with no load … 140A

Minimum clearance between pinion and ring gear when not engaged … 1.5 to 5.5 mm (.06 to 22 in)

(1) Torque for large terminal nuts … 30 ± 3 N·m (22 ± 2 lb ft)

Torque for small terminal nuts … 2.0 to 2.5 N·m (17.8 to 22.2 lb in)

(2) Service limit (minimum length) of brushes … 17.5 mm (.69 in)

(3) Service limit (minimum usable diameter) of commutator … 48.0 mm (1.89 in)

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