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Flexible Coupling

To optimise operation add a DRIVESAVER flexible coupling

bearings6.jpg Absorbs vibration & reducing noise: THE DRIVESAVER provides a flexible, non-metallic barrier between your transmission and shaft. This barrier reduces not only drive train vibration but the transmission of vibration and noise to your, your crew and the water. Both you and your vessel are more efficient in this quieter environment.

Absorbs Shock: THE DRIVESAVER effectively absorbs excessive shock from changing gears and high speed planing. It also helps control damage and mis-alignment from torsional engine movement. It keeps on working, under normal conditions, for the life of the drive train with no lubrication or maintenance.

Prevent Electrolysis: THE DRIVESAVER provides an impervious barrier that blocks electrical currents from the water. Your engine and transmission are protected from damaging corrosion.
Drivesavers withstand oil, gasoline, sludge, saltwater and a temperature range of –65 degrees to + 225 degrees F
We can supply bushing kits for Models 5756, 7256, 908 and 1058 with a coupling bolt-hole size larger than the bolts furnished with THE DRIVESAVER. Specify model number plus the suffix “B”.
Acts as a circuit breaker:
Repeat users of THE DRIVESAVER install new ones not because an old one wore out but because of a hidden log, line or rock that destroyed the coupling. That’s right, THE DRIVESAVER was destroyed, not the costly transmission and engine. By acting like a circuit breaker, THE DRIVESAVER absorbs the extreme shock and torque of collision, breaks apart and greatly reduces the potential damage to your transmission and engine. You are back in operation faster, and at a minimum cost. That’s the kind of protection you can’t afford to be without.

Installs Easily: THE DRIVESAVER installs simply and quickly without cutting or machining the shaft and without hauling your boat out of the water. Just separate the drive flanges, insert the coupling, align and bolt.

DRIVESAVER SPECIFICATIONS
TORQUE= (Engine HP x 5252 x Reduction ratio) Engine RPM.
 
Drivesaver Model Flange Size # of Bolts Bolt DIA Bolt Circle Pilot DIA CPLG DIA CPLG Thickness Packaged Weight Pounds Torgue Rating FT Pounds Plus RAT FT Pounds
 303  3  3  3/8  2-1/2  1-3/4  4  11/16  1  225  
 353  3-1/2  3  3/8  2-3/4  1-7/8  4-5/16  11/16  1-1/4  250  
 354  3-1/2  4  8mm  2-15/16  1-9/16  4-1/4  1  1-1/2  300  
 404  4  4  3/8  3-1/4  2  5  1  1-3/4  550  
 404A  4  4  3/8  3-1/4  2-1/2  5  1  1-3/4  550  
 404AC  4  4  3/8  3-1/4  2-5/8  5  1  1-3/4  550  
 404V  4  4  10mm  8cm  6cm  5  1  1-3/4  550  
 404S  4  4  3/8  9cm  6cm  5-1/4  1  2-1/4  550  
 424Y  100mm  4  10mm  78mm  50mm  4-1/4  1  1-3/4  550  
 454  4-1/2  4  3/8  3-3/4  2-5/8  5-3/8  1  2-1/4  570  
 4756  4-3/4  6  7/16  3-7/8  2-1/2  5-3/8  1  2-3/4  675  1600
 504  5  4  7/16  4-1/4  2-1/2  6  1  2-1/2  675  1600
 504A  5  4  3/8  4-1/8  2-3/4  6  1  2-1/2  675  
 504AC  5  4  7/16  4-1/8  2-7/8  6  1  2-1/2  675  
 504H  5  4  7/16  4-1/4  2-1/2  5-1/8  1  2-1/2  675  1600
 524Y  120mm  4  10mm  100mm  65mm  5-1/4  1  2-1/4  675  
 554  5-1/2  4  3/8  4-5/8  3-1/8  6-1/2  1  3  720  
 5756  5-3/4  6  1/2  4-3/4  3  6-13/16  1-1/8  4-1/4  1800  3000
 5756A  5-3/4  6  1/2  4-3/4  3  6-3/8  1-1/8  4  1800  3000
 6256  6-1/4  6  7/17  5-3/8  3-1/4  7-1/4  1-1/16  4-1/4  1900  
 7256  7-1/4  6  5/8  6  3-3/4  8-3/8  1-3/16  8  3200  4400
 7606Z  7-1/4  6  5/8  6  3-3/4  7-1/4  1-3/16  8  2200  3200
 7258Z  7-1/4  8  5/8  6  3-3/4  7-1/4  1-1/4  8    3200
 8078Z  8-1/16  8  5/8  6-11/16  5-1/2  8-1/16  1-3/4  7-1/2  3300  4800
 8010Z  205mm  10  14mm  170mm  140mm  8-5/16  1-1/2  9  3300  
 8858Z  225mm  8  14mm  196mm  140mm  9-1/8  1-1/2  9-1/4  3500  
 908  9  8  5/8  7-1/2  6  11  1-3/8  12-1/2  3000  4900
 908A  9  8  5/8  7-3/4  5-1/8  11  1-3/8  12  3000  4900
 908S  9  8  5/8  7-1/2  6  9-1/8  1-3/8  9  3000  4900
 908AC  190mm  8  15mm  155mm  100mm  228mm  1  9  3000  4900
 1058  10-1/2  8  3/4  8-3/4  5  12-1/2  1-3/4  22  4200  6500
 1108  11  8  3/4  9-1/2  6  13-1/4  1-13/16  23-1/2  4200  6500
 1108A  11  8  3/4  9  6  11-3/4  1-3/4  17-1/2  3000  4900
 

THE DRIVESAVER SELECTION

MODEL RATIO DRIVESAVER
 ALLISON    
 M, M15L,M20L    7256
 MH    908B
 HYH/HP7700 (9.00    908A
     
CAPITOL    
 2HD-200, 5HD-200    4756
 HE10200, HE10250    5756A
HE10700, HE10750    7256
 HE11200, HE12400    5756A
 HE11700    7256
 HP500,HP6900    7256
 HY400,HY6900    7256
 HY22000, HY24000    7256
 HY25000, HY28000    7256
 M-105, M-125    5756
     
 CRUSADER    
 4500 SERIES    404A
     
 HURTH/ZF    
 HBW5,10,15,15V, 18,20    404A
 HBW30, 35, 50, 100, 125    404A
 HBW150, 150A, 150V, 220    404A
 HBW250    404A
 HBW360, 360A, 400, 450    504
 HBW600, 630    504
 HBW710, 710A    5756
 HBW710  4.35  7256
 HSW150H, 450D    404A
 HSW450A, 450H    504H
 HSW630A, 630D, 630H    504
 HSW630V    504
 HSW800A,800V, 1250A    5756
     
 NEWAGE    
 PRM DELTA    404A
 PRM210/160    504
 PRM60, PRM601, 601A    7256
 PRM401, 601, 602  1.9, 1.5,2, 2.8  5756
     
 PARAGON    
 HB, HF, RO    404
 P13, P200, P300, PV300    404AC
 RA, PV400    454
 P400    504A
 PL, P15, PM, PMB    504AC
 RB    554
 RC    6256
 SAOD    303
     
 SAAB    
 G, H    354
 HG, 2HG, GG, 2H, 2GRG    404S
     
 LOHMANN/STALTER    
 GVV200A    908AC
 
MODEL REDUCTION DRIVESAVER
TWIN DISC    
MG502, 502-1   4756
MG506, 506-1, 506A 1.1, 1.5, 2, 2.5, 3 5756B
MG506, 506-1, 506A 4.0, 4.5 7256B
MG507-1, 507-2, 507A 1.1, 1.5, 2 5756B
MG507A-1 1.1, 1.5, 2 5756B
MG507-1, 507A 2.5, 3 7256B
MG509 1.5, 2, 3 7256B
MG510, 510A 1.5, 2, 2.5, 3 908B
MG509, 510 4, 4.5, 5.1 1058B
MG516   1108
MG518-1DC   1108A
MG527 2, 2.9, 3.8, 5 1308B
MG5050, 5050A, 5050V   5756B
MG5050, 5051A   5756AB
MG5061, 5061A, 5061V 1.1, 1.5, 2, 2.5, 3 5756B
MG5091SC   7256B
MG5101DC 4, 4.5, 5.1 1058B
MG5101DC 4, 4.5, 5.1 1058B
MG5111DC, 5114CHP 4, 4.5, 5.1 1058B
MG5111 (9’ FLANGE)   908BB
MG5111 (10-1/2” FLANGE)   1058B
MG5111SC 1.5, 2, 2.5, 3 908B
MG5114A   908SBB
     
UNIVERSAL    
ATOMIC 4   353
     
VOLVO    
MB10A, MD7A, MD11C   404V
MD38, MS2B, 2000 SERIES   404V
MS3, MS4A   504
     
WARNER    
1004, 1005, 1013, 1014   504
1017, 1018, 2001, 2002   504
72C   504
1006, 1026, 73C   5756
1017,1023, 70C, 71C   404A
     
YANMAR    
20M, 20H/G, GM SERIES   424Y
KBW10, KM2 SERIES   424Y
KM3A SERIES, YP-7M   424Y
30M, 30H/G, KH18, KM4A   524Y
YP-10M   524Y
HMH6A   5756B
     
ZF    
IRM41A2, 41A3, 50A3   504
IRM50A4, V2, V3   504
IRM220, 220A-1, 225A   4756
IRM301A-1, 301P2-2   5756A
IRM310   7306Z
IRM310A   7258Z
IRM320   1058B
IRM320AL/LAV   8858ZB
IRM350   8078Z
IRM350AL/PL   8010ZB
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