Twin Disc MG-509 Marine Gear 1.454:1 Ratio
NSN: 2520-01-018-0525
Twin Disc MG 509 marine gear. 1.454:1 ratio. SAE 2 housing. No spider drive, no pump. Spec no. 34983, serial no. 3E1211. 4 ea available, 3 rebuilt, 1 low hour running take-out. NSN 2520-01-018-0525, 2520010180525, 2520 01 018 0525.
SMID: 121-7012-735
Condition: Rebuilt
—Sold
Twin Disc MG 509 Marine Gear 1.454:1 Ratio
NSN: 2520-01-018-0525
Twin Disc MG-509 marine gear. 1.454:1 ratio. SAE 2 housing. No spider drive, no pump. BOM no. 33944, serial no. SS16442. 4 ea available, 3 rebuilt, 1 low hour running take-out. NSN 2520-01-018-0525, 2520010180525, 2520 01 018 0525.
SMID: 121-7006-759
Condition: Rebuilt
—Sold
ZF BW255 Marine Gear, 2.460:1
ZF BW255 gear, part list no. 3082005278. 2.460:1 ratio. 4 ea available. SAE 1 housing.
SMID: 121-5635-582
Condition: Excellent
—Sold
Twin Disc MG-514 3:1
Twin Disc MG-514 marine gear. 3:1 ratio. BOM 31016, serial no. 314105. SAE 1 housing
SMID: 121-4600-825
Condition: Good
—Sold
Twin Disc MG-510A 2.44:1
Twin Disc MG-510A marine gears. 2.44:1, SAE 1 housing. 2 ea available.
SMID: 121-4600-593
Condition: Good
—Sold
Twin Disc MG-506 Transmission, 1.5:1 Ratio
Twin Disc MG-506 Transmission, 1.5:1 Ratio. Excellent running take-out.
SMID: 120-6110-363
Condition: Excellent
—Sold
Capitol Marine Gear Model 2-10200-0712-00
Capitol Marine Gear, model no. 2-10200-07012-00. 1.037:1 ratio. Good running take-out.
SMID: 120-2838-389
Condition: Good
—Sold
Twin Disc MG-516 6:1 Ratio
Twin Disc MG-516 6:1 ratio. Excellent running take-out
SMID: 120-2837-930
Condition: Excellent
—Sold
Tonan TM828 Core 6:1 Ratio
Tonan TM-828 marine gear core. 6:1 ratio. Some gear damage.
SMID: 120-2837-706
Condition: As is
—Sold
ZF Model 301P Gear, 1.407:1 Ratio
ZF marine gear, model no. 301P. 1.407:1 ratio. Good running take-out.
SMID: 120-2836-394
Condition: Excellent
—Sold
MG-509 4.5:1 Ratio, Rebuilt
Twin Disc MG-509 deep case. 4.5:1 ratio. Rebuilt
SMID: 120-2835-996
Condition: Rebuilt
—Sold
Twin Disc MG-509 1.454:1 Ratio
Twin Disc MG-509, 1.454:1 ratio. Spec no. 34983, serial no. 3E4983. SAE 2 housing. No spider drive, has coupling drive. Missing pump.
SMID: 119-8078-286
Condition: Good
—Sold
Allison M15R 1.5:1 Ratio
Allison M15R, 1.5:1 ratio. Part no. 6883606R, serial no. 23412. In good condition. Allsion flywheel also available.
SMID: 118-8596-761
Condition: Good
—Sold
MG-518 6.48:1 Ratio
Twin Disc MG-518, 6.48:1 Ratio. Serial no. 3J0572, Spec no. 36310. SAE 0 housing. Excellent running take-out. A7303-A, A7273, A7302, A7300, A7296. Needs dipstick PN A4969Z
SMID: 118-4003-126
Condition: Excellent
—Sold
Twin Disc MG-514 C, 4.13:1 ratio, rebuilt
Twin Disc MG-514C, 4.13 to 1 ratio, rebuilt, SAE #1 two each available, Twin Disc MG514, MG514C
SMID: 118-2536-439
Condition: Rebuilt
—Sold
Tonan TM729S Marine Transmission
Tonan TM729S Marine Transmission, similar to Twin Disc MG 509, Ratio 3 to 1, 2 each available
SMID: 117-6224-072
Condition: Good
—Sold
Twin Disc MG-508, ratio 1.5 to 1 SAE 1
Twin Disc MG-508, ratio 1.5 to 1 SAE 1
SMID: 117-6182-988
Condition: Excellent
—Sold
Twin Disc MG 5081 ratio 2 to 1
Twin Disc MG 5081 ratio 2 to 1, marine transmision, marine gear. MG5081, MG-5081
SMID: 117-6182-443
Condition: Excellent
—Sold
Twin Disc MG-514 5:1 Ratio, Rebuilt
Rebuilt Twin Disc MG-514 5:1 Reduction, SAE 1, two each available
SMID: 117-0187-089
Condition: Rebuilt
—Sold
72-C 2.91:1 Core
Borg Warner 72-C 2.91:1 core. Complete, does not turn. As pictured.
SMID: 116-8551-960
Condition: Core
—Sold
72-C 1.5:1 Core
Borg Warner 72-C 1.52:1 core. Does not turn. Missing dipstick, suction screen, control valve. As pictured.
SMID: 116-8546-684
Condition: Core
—Sold
4HE-10200 E.R. 2:1 Ratio
Capitol 4HE-10200 ER Marine gear. 2:1 ratio. Option code no. 2-10200-06012-60110. Serial no. 1174-0189. Comes with SAE 1 oil dam, clutch pack and pump drive shaft.
SMID: 116-3544-842
Condition: Good
—Sold
Capitol HY-7700 4.54:1 Ratio
Capitol HY 7700 marine gear. Good running take-out. 4.54:1 ratio. With front oil dam, SAE 1 (not pictured). 22 teeth pinion.
SMID: 116-2400-699
Condition: Good
—Sold
M15R Gear with Flywheel and Pump
Allison M15R transmission, 1.5:1 ratio. Serial no. 0910059755, part no. 688360684B28. With Allison SAE 2 flywheel and Hydreco pump, model no. 1413A-SR2, serial no. CFB020016. Will sell all or part.
SMID: 116-1274-174
Condition: Excellent
—Sold
MG-512 2:1 Ratio
Twin Disc MG-512 2:1 ratio. Spec. no. 32244. Good running take-out.
SMID: 115-9798-689
Condition: Excellent
—Sold
Twin Disc X8708 Crash Box 3:1 Ratio
Twin Disc 8708 Crash Box marine transmission. 3:1 ratio. Some minor internal rusting.
SMID: 114-7986-987
Condition: Good
—Sold
ZF Hurth Marine Gear Core 2.5:1 Ratio
ZF Hurth Marine Gear Core 2.5:1 Ratio. Model HSW800. Clutches frozen, needs overhaul. As is.
SMID: 114-3558-929
Condition: As is
—Sold
Twin Disc MG-5061 1.48:1 Ratio
Twin Disc MG-5061 1.48:1 ratio. Serial no. 5-GS-937
BOM: S-7559. New transmissions/ take off. Were
installed but not used, inproper ratio for
application. Excellent condition.
SMID: 113-1560-225
Condition: New
—Sold
Twin Disc X8708
Twin Disc X8708 Crash Box Core. 3.05:1 ratio. Counter Shaft, gears and bearings all in good condition. Reverse shaft, forward sleeve and clutch assembly need work.
As pictured.
SMID: 112-3706-291
Condition: Core
—Sold
Borg-Warner 72-C Vee Drive
Borg-Warner 72-C Vee Drive. Borg Warner "Velvet Drive" 1.5:1 ratio. Model no. 10-05-000-011. Serial no. 1520. Low hours, in excellent condition. Comes with mounts to accept "Crusader" style or other mounts.
SMID: 112-1460-937
Condition: Excellent
—Sold
ZF BW 255 Ratio 1.51 to1
ZF Gear Model No. BW 255 1.511:1 Ratio. Serial no. 2722A, part no. 3082005271. SAE 1 - 14. Missing flywheel drive ring and line to selector valve. Rated 1486 hp @ 2300 rpm. Good used. Off of Detroit Diesel 16V-92TA.
SMID: 111-9375-703
Condition: Good
—Sold
Borg Warner 70-C Drop Center
Borg Warner 70-C Drop Center. Borg Warner Velvet Drive marine gear with drop center reduction. Reduction turns, transmission frozen. Good rebuildable core.
SMID: 111-6956-006
Condition: Core
—Sold
ZF BW 255 Ratio 1.51 to1
ZF Gear Model No. BW 255 1.511:1 Ratio. Serial no. 2723A, part no. 3082005271. SAE 1 - 14. Rated 1486 hp @ 2300 rpm. Good used, two each available. Off of Detroit Diesel 16V-92TA. To view other gear, click here
SMID: 109-9589-208
Condition: Good
—Sold
Capitol Marine Gear Model 2HE-10700, 3:1
Capitol Marine Gear. Model 2HE-10700. Serial no. 806-H. Engine Manufacture no. 156200. 3:1 ratio. No hydraulic pump, no clutches, no engine oil dam. With clutch housing and flywheel adapter, SAE 2 - 11 1/2.
SMID: 109-8974-115
Condition: Good
—Sold
Capitol Marine Gear, Model HE-11700
Capitol Marine Gear, Model HE-11700. Serial no. 10212-0289. Option code no. 2-11700-06011-50210. 3:1 (engine rotation) ratio. Hyd pump no. 1-13410-0500. Rated to 550 HP. Complete with clutch pack, SAE 2 Oil Dam Adapter. Dry weight 490 lbs.
SMID: 109-8724-885
Condition: Good
—Sold
Allison M15 Marine Gear
Allison M-15 Marine Gear. 1.5:1 ratio. SAE 2. No control valve, no front planetary assembly, but we have in stock. We also have Allison flywheels, and a large selection of Allison / Detroit Diesel bell housings.
SMID: 109-7687-659
Condition: Good
—Sold
Precision Vee Drive 1.48:1 Ratio
Precision Vee Drive 1.48:1 Ratio. Out of Navy launch boat. Model no. V6400V, serial no. 7700NRBP. In excellent condition.
SMID: 109-6557-231
Condition: Excellent
—Sold
Capitol HY 7700 Marine Gear 4.545:1 Ratio
Capitol Marine Gear 4.545:1 Ratio. Model HY-7700. Parting out, no clutch pack, pump housing or output shaft. No selector valve. SAE 1. Bull gear 100 tooth, part no. EC-7713. 22 teeth pinion.
SMID: 109-3900-436
Condition: Excellent
—Sold
Allison M20L Marine Gear
Allison M20L Marine Gear. 2:1 reduction. Part No. 6770015, Serial No. 41964. Pan, planetary and ring gear pictured are no longer available.
SMID: 109-2759-579
Condition: Good
—Sold
HP 9400 AER Capitol Marine Gear ratio 3 to 1
HP 9400 Capitol Marine Transmission ratio 3 to 1, option code 2-09400-04011-00111, serial 10405-0889, to 950 hp, several avilable.
SMID: 107-8010-904
Condition: Excellent
—Sold