PRODUCT DESCRIPTION
The NR-1990456 starter motor is a heavy-duty 24V unit with 7.5 kW output, designed for construction and industrial machinery. With 12 teeth, clockwise rotation, and high torque capability, it is widely used in Caterpillar, Perkins, Cummins, Volvo, and Mack equipment. Specifically applied in Delco Type BMC Dev Fatih and Caterpillar 245 machinery.

Technical Specifications

• Voltage: 24V

• Power: 7.5 kW

• Number of teeth: 12 pcs

• Rotation: Clockwise (CR)

• Size A: 102 mm

• Drive distance: 95 mm

• Number of mounting holes: 3 pcs

• Number of threaded mounting holes: 0 pcs

• Drive diameter (outer): 45 mm

Applications
Caterpillar Pipelayer

• 583H (D-342 Diesel) (1969–1974)

• 583K (D-342 Diesel) (1974–1989)

• 594 (D-353 Diesel) (1974)

• 594H (D-353 Diesel) (1974–1985)

Caterpillar Track Tractor

• D7E (1974–1982)

• D8K (D-342 Diesel) (1974–1982)

• D9G (1969–1974)

• D9H (D-353 Diesel) (1974–1982)

Crosses
Cargo: 111000
Case: 260493C91, 313979R93, 489716C91, 527888C91, 989969C91
CAT: 0R2187, 0R2190, 1047041, 1047042, 1068551, 1068554, 10R0400, 1379995, 1M6132, 1N9412, 2006963, 2071549, 2071556, 2071562, 20R2227, 20R3249, 3T2651, 3T5831, 4351239, 4403361, 4N0957, 4N1062, 4N5471, 5I2537, 5L4171, 5L4431, 5L4513, 6N1889, 6V5539, 7T0796, 8C3545, 8H1913, 8N8753
Cummins: 4070572, 4070573
Delco Remy: 10461024, 10461030, 10461043, 10461054, 10461068, 10461080, 10461128, 10461141, 10461184, 10461277, 10461278, 10478943, 10478946, 10478980, 10478986, 10479010, 10479111, 10479114, 10479164, 10479252, 10479288, 10479290, 10479303, 1990344, 1990347, 1990361, 1990367, 1990368, 1990378, 1990382, 1990383, 1990384, 1990388, 1990390, 1990409, 1990410, 1990411, 1990412, 1990416, 1990418, 1990422, 1990437, 1990444, 1990454, 1990456, 1990457, 1990459, 1990460, 1990461, 1990462, 1990463, 1990464, 1990485, 1990491, 1990493, 1990838, 1993738, 1993759, 1993788, 1993789, 1993802, 1993805, 1993810, 1993837, 1993842, 1993854, 1993924, 1993933, 1993941, 1993978, 8200936, 8201052
HC-Parts: US864
Hella: 8EA726543001, 8EA732856001
Iskra: 11131907, AZG4689, IS1183
JUJ: ST6005
KRAUF: STD0864MA, STD0864NB, STD0864PL, STD0864TJ
Magneti Marelli: 943251568
Mahle: MS77
Motorherz: STD0864RB, STD0864WA
PAPA: 510134
Perkins: CH11089
Prestolite: M125R3001SEP, MS1-411A, MS7301A, MS7301C
Unipoint: STR4302, STR4322
Volvo: 4078515
WAI: 50-151-1
WPS: 501512, 6370N, 6552N
Remark: STR50111