MOTOR ASSEMBLY 8S3961 - Caterpillar

8S3961 MOTOR ASSEMBLY Caterpillar parts 814, 815, 966C, 977K, 980B, D5, D6C, D7F

Cross Reference:

CATERPILLAR 2P3926, 2S3473, 3S8473, 3T2776, 3T8946, 4N3180, 4N3313, 6S9207, 6V0512, 7T4957, 853961, 859207, 8S3886, 8S3961, 8S9207, OR5215, CUMMINS 3603867, 3925082, DELCO REMY 10478903, 10479120, 1109624, 1109628, 1109637, 1109640, 1109645, 1109795, 1109847, 1109848, 1109998,

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OEG Parts New Starter Compatible with Caterpillar Excavator 24V 12T 235 235B 235C 235B 2P3926, 2S3473, 3T8946, 4N3180, 4N3313, 6S9207, 6V0512, 7T4957, 853961, 859207, 8S3961, 8S9207, SDR0148

$535.95

02 Sep 2025
76.78[34.55] Pounds
US: OEG Parts

OEG Parts New Starter Compatible with Caterpillar Excavator 24V 12T 235 235B 235C 235B 2P3926, 2S3473, 3T8946, 4N3180, 4N3313, 6S9207, 6V0512, 7T4957, 853961, 859207, 8S3961, 8S9207, SDR0148
Parts Player Replacement Part Numbers: 0R5215, SDR0148, 8S9207, 8S3961, 859207, 853961, 7T4957, 6V0512, 6S9207, 6374N, 6374, 4N3313, 4N3180, 410-12105R, 41012105R, 3T8946, 3T7226, 3T2776, 3S9207, 3S8473, 3603867RX, 323-956, 323956, 323-765, 323765, 2S3473, 2P3926, 1993989, 1993847, 1993839, 1993739, 1990243, 1990228, 1109998, 1109848, 1109847, 1109795, 1109645, 1109640, 1109637, 1109628, 1109624, 10461400 || Condition: New; Unit Type: DD; Unit Series: 50MT; Voltage: 24V; Rotation: CW; Tooth Count: 12; Country of Origin: CN || Brand New - Manufactured With New Premium Quality Components - Engineered To Meet Or Exceed OEM Specifications - All Items Tested For Reliability, Durability And Performance || See Product Description for Additional Specifications

RAREELECTRICAL New 24V 12T Starter Compatible with Caterpillar Wheel Loader 966F 980 980B 980C 8S3961 8S9207

$543.66

20 Aug 2025
80.0[36.00] Pounds
US: Rareelectrical

RAREELECTRICAL New 24V 12T Starter Compatible with Caterpillar Wheel Loader 966F 980 980B 980C 8S3961 8S9207
Rareelectrical Rareelectrical Brand Compatible with CAT, CATERPILLAR, DELCO. Please verify your OEM part number from your original unit to help ensure fitment. || Replaces: Caterpillar: 6V0512 7T4957 853961 859207 8S3961 8S9207 / Delco: 1990243 1993739 1993839 1993847 1993989 / Item Description: Starter / Unit Type: Delco / Type: Dd / Family: Delco 50Mt / Voltage: 24 / Power: 9 Kw / Rotation: Clockwise / Tooth Count: 12 / Gear Od: 1.831In / 46.5Mm / Solenoid Position: 332 Degrees / Mounting Ear 1: 0.660" Id Unthreaded / Mounting Ear 2: 0.660" Id Unthreaded / Mounting Ear 3: 0.660" Id Unthreaded / Specifications: Semi-Solid Link Solenoid / || Applications: Please Verify Your Oem Part Number From Your Original Unit To Help Ensure Fitment. / Caterpillar Wheel Loaders 966F Cat. 3306 1990-1996 / Caterpillar Wheel Loaders 980 Cat. 3306 1966-1970 / Caterpillar Wheel Loaders 980B Cat. 3306 1970-1983 / Caterpillar Wheel Loaders 980C Cat. 3406 1978-1984 / Caterpillar Wheel Tractor Dozers 814 Cat. 3306 1969-1981 / Caterpillar Wheel Tractor Dozers 814B Cat. 3306 1970-1995 || Applications: ... || Starter - Voltage: 24V Rotation: Clockwise Teeth On Drive / Splines: 12 Country Of Origin: CN Source: Aftermarket

$506.95

20 Aug 2025
76.78[34.55] Pounds
US: OEG Parts

OEG Parts New Starter Compatible with Caterpillar Excavator 24V 12T 235 235B 235C 235B 2P3926, 2S3473, 3T8946, 4N3180, 4N3313, 6S9207, 6V0512, 7T4957, 853961, 859207, 8S3961, 8S9207, SDR0148
Parts Player Replacement Part Numbers: 0R5215, SDR0148, 8S9207, 8S3961, 859207, 853961, 7T4957, 6V0512, 6S9207, 6374N, 6374, 4N3313, 4N3180, 410-12105R, 41012105R, 3T8946, 3T7226, 3T2776, 3S9207, 3S8473, 3603867RX, 323-956, 323956, 323-765, 323765, 2S3473, 2P3926, 1993989, 1993847, 1993839, 1993739, 1990243, 1990228, 1109998, 1109848, 1109847, 1109795, 1109645, 1109640, 1109637, 1109628, 1109624, 10461400 || Condition: New; Unit Type: DD; Unit Series: 50MT; Voltage: 24V; Rotation: CW; Tooth Count: 12; Country of Origin: CN || Brand New - Manufactured With New Premium Quality Components - Engineered To Meet Or Exceed OEM Specifications - All Items Tested For Reliability, Durability And Performance || See Product Description for Additional Specifications

Compatible equipment models: 8S3961:

SOIL COMPACTOR 815

TRACK LOADER 977K

TRACK-TYPE TRACTOR D5 D6C D7F

WHEEL DOZER 814

WHEEL LOADER 966C 980B Caterpillar

Information:

All Caterpillar Engines With Keystone Piston Ring GroovesSUPPLEMENT: 06/16/86SERVICE MAGAZINE, SEPTEMBER 23, 1985, PAGE 2, "New Keystone Ring Groove Gauge Available"; SERVICE MAGAZINE, MAY 10, 1982, PAGE 10, "5P4812 Gauge Group Components Available Separately"; GUIDELINE FOR REUSABLE PARTS-PISTONS, SEBF8049, PAGES 38 and 39.The article, "Increase Piston Reuse With Keystone Piston Ring Gauge Group", in this issue replaces the information from these publications.--------------- END SUPPLEMENT ---------------A new Keystone piston ring groove gauge group is available. The new gauge group has three new gauges which allow the gauge to be used in all Caterpillar Keystone ring groove applications. The new group also features carbide gauging points for increased gauge life. See the illustration.
8T3150 Gauge Group.The new 8T3150 Keystone Piston Ring Groove Gauge Group is a direct replacement for the former 5P4812 Gauge Group which is canceled. The chart lists the parts that are available through the Parts Department.