Twin Disc Power Take-Offs We have a huge inventory of Twin Disc PTOs in stock and ready to ship. Palmer Johnson has more than 30 years experience applying & servicing Twin Disc power take-offs.
Standard Friction PTOs
Easy-to-mount unit consisting of a clutch assembly with shaft and bearings in a rigid cast iron housing. Designed for manual operation on all internal combustion engines with standard SAE flywheel housings from No. 6 to No. 00. Triple-plate 11.5" to 21"; double-plate 11.5' to 18'; single-plate 6.5" to 14". Capacities to 1670 horsepower and 8400 lbs.-ft. torque. All Twin Disc Power Take-Offs come standard with composite clutch plates which have wear resistant teeth for longer life and sealed-for-life pilot bearings for reduced maintenance. For high speed applications nodular iron drive rings are available.
Rubber Block Drive PTOs
This special purpose PTO is intended for heavy-duty applications not requiring a cut-off clutch. The need for a flywheel pilot bearing has been eliminated in some models. Twin Disc's proven rubber block drive absorbs the minor misalignment usually found between the engine fly-wheel and the PTO connecting member. Depending on the load to be transmitted, a single or double row of rubber blocks can be used.
Straddle Bearing PTOs
The Straddle Bearing PTO was explicitly designed for high horsepower, high side load, heavy duty applications. Rugged benefit features include cast iron housings, cylindrical roller bearings, nodular iron drive ring and ball bearing throw out collar. Unique style sheave housing easily accepts a 14" diameter 10 groove sheave, This sheave housing allows for belts to pass inside and/or outside of housing. Housing versatility also allows for repositioning. Additionally, the need for an engine mounted pilot bearing has been eliminated.
Remote Over Center PTOs
The Standard RO PTO is a hydraulic or pneumatically-actuated mechanical clutch. The RO PTO allows users to engage remotely and has been developed with a number of unique features that offer reliability, productivity and power, including: greaseable shaft bearings, a permanently sealed pilot bearing and field retrofit kit option. The RO PTO is suitable for a wide range of heavy-duty applications including crushers, grinders and mulchers.
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Overview Rockford PTO’s are now known as-TWIN DISC RFD The following is a partial list of Twin Disc Rockford PTO Clutch series that Mill Log Equipment provides parts for and repairs:
Item Number Description 4-09835 LOC CLUTCH ASSY 4.5 4-09836 LOC CLUTCH ASSY 4.5 4-09843 LOC CLUTCH ASSY 4 5 4-09844 LOC CLUTCH ASSY 5.5 4-09847 LOC CLUTCH ASSY 5.5 4-09850 5.5 LOC CLUTCH 4-10815 1-14 CLUTCH ASSY ORG/BRZ 4-10820 USE 4-10838 4-10832 2-14 CLUTCH ASSY MET/BRZ 4-10838 2-14 CLUTCH ASSY ORG/BRZ 4-10860 2-18 CLUTCH ASSY MET/BB 4-10873 1-08 CLUTCH ASSY ORG 4-10903 1-10 CLUTCH ASSY ORG 4-10911 1-10 CLUTCH ASSY ORG 4-10928 1-11 CLUTCH ASSY ORG 4-10945 2-11 CLUTCH ASSY ORG 4-10974 218#1/2 S/L PTO ORG/BB/NA 4-11054 111#1 BOTH DET PTO ORG/NA 4-11055 111#1 BOTH DET PTO ORG/NA 4-11058 114#1 S/L PTO ORG/BRZ/307 4-11060 214#1 S/L PTO ORG/BRZ/307 4-11074 314#1 S/L PTO ORG/BRZ/309 4-11081 214#1 S/L DET PTO ORG/BRZ 4-11082 114#1 S/L DET ORG/BRZ/NA 4-11088 211#1 BOTH PTO ORG/306 4-11127 211#2 BOTH PTO ORG/306 4-11196 111#3 BOTH PTO ORG/NA 4-11236 106#4 BOTH PTO ORG/304 4-11238 107#4 BOTH PTO ORG/304 4-11256 110#4 BOTH PTO ORG/306 4-11294 106#5 BOTH PTO ORG/304 4-11298 107#5 BOTH PTO ORG/304 4-11552 17 CAM TYPE OC CLUTCH 4-13860 218#1/2 S/L PTO MET/BB/NA 4-14565 107#6 BOTH PTO ORG/304 4-14691 1-14 CLUTCH ASSY MET/BRZ 4-15822 1-08 CLUTCH ASSY 4-15823 1-07.5 CLUTCH ASSY ORG 4-15826 3-14 CLUTCH ASSY ORG/BRZ 4-15844 1-06.5 CLUTCH ASSY ORG 4-16503 1-08 CLUTCH ASSY ORG 4-17106 2-18 CLUTCH ASSY ORG/BB 4-17435 218#0 S/L PTO MET/BB/309 4-17597 2-11 CLUTCH ASSY MET 4-17635 1-11 CLUTCH ASSY MET 4-17778 211#2 BOTH PTO MET/306 4-18169 1-08 CLUTCH ASSY ORG 4-18592 218#1/2 I/L PTO ORG/BB 4-18602 218#1/2 I/L PTO MET/BB/NA 4-18661 214#1 I/L BRZ/ORG/307-F8 4-19052 3-14 CLUTCH ASSY MET/BRZ 4-19099 111#3 I/L PTO ORG/306 4-19100 111#2 I/L PTO ORG/306 4-19835 214#1 I/L BROS MET/BRZ/307 4-20114 110#4 BOTH DET PTO ORG/NA 4-20617 110#5 TT FAN CLUTCH 4-20673 111#2 BOTH PTO ORG/NA 4-22486 3-18 CLUTCH ASSY MET/BB 4-23406 214#1 I/L DET PTO ORG/BRZ/NA 4-23886 114#1 I/L DET ORG/BRZ/NA 4-24829 111#3 BOTH PTO ORG/306-F8 4-24838 108#5 BOTH PTO ORG/203 – F8 4-25462 1-08 CLUTCH ASSY ORG – F8 4-25754 USE 4-90003 4-26165 110#4 TT FAN CLUTCH-F8 4-26307 3-18 CLUTCH ASSY ORG/BB 4-27273 214#1 I/L PTO MET/BRZ/NA 4-27487 218#0 S/L PTO ORG/BB/309 4-27489 211#1 BOTH PTO MET/306 4-27491 214#1 S/L PTO MET/BRZ/307 4-27493 314#1 S/L PTO MET/BRZ/309 4-29222 110#2 BOTH PTO ORG/NA 4-30378 USE 4-11294 4-30818 108#5 BOTH PTO ORG/NA 4-30829 SEE 4-37405 4-30833 1-08 CLUTCH ASSY 4-30835 108#3 BOTH PTO ORG/NA 4-30973 108#4 BOTH PTO ORG/305 4-30974 108#5 BOTH PTO ORG/305 4-30985 108#3 BOTH PTO ORG/305 4-31026 108#4 BOTH PTO ORG/305 4-31271 110#2 BOTH PTO ORG/306 4-31373 318#0 I/L PTO MET/BB/311 4-31436 HC318PO 4-31437 318#0 SL OIL PTO MET/BB/311 4-32811 214#1 I/L BROS PTO MET/BRZ 4-34510 111#3 BOTH PTO ORG/306 4-34511 111#3 BOTH PTO MET/306 4-34514 111#2 BOTH PTO ORG/306 4-34516 111#1 BOTH PTO ORG/306 4-34845 211#3 BOTH PTO ORG/306 4-34846 211#3 BOTH PTO MET/306 4-35467 318#0 I/L PTO ORG/BB/211 4-35470 314#1 I/L PTO ORG/BRZ/309 4-35514 314#1 I/L PTO MET/BRZ/309 4-35726 314 #1 I/L PTO MET/BRZ/307 4-35730 314#1 S/L PTO MET/BRZ/309 4-35742 318#0 I/L PTO MET/BB/211 4-35743 318#0 I/L PTO MET/BB/311 4-35771 111#3 BOTH PTO ORG/BRZ 4-35911 3-18 CLUTCH ASSY ORG/BB 4-36003 110#3 BOTH PTO ORG/306 4-36019 3-14 BB ORG CLUTCH 4-36281 3-18 CLUTCH ASSY MET/BB 4-36694 C110HP4 PTO 4-36695 C110HP3 PTO 4-36697 211#3 TD STYLE/SP211P301 4-37106 SEE 4-11256 4-37405 1-08 CLUTCH ASSY ORG 4-37405AM 1-08 CLUTCH ASSY ORG 4-90003 PTO FORD-RTP5 4-90008 108#5 BOTH PTO ORG/NA
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CA110 Specifications Maximum input torque (lb-ft), Class I - 450
CA110 Overview Off-the-shelf availability Proven design tailored to the industry Creates suitable application torque Broader horsepower coverage up to 400 hp Sealed for life ball type main bearing Built-in hex nut eases adjustment verification Limited 2-year warranty Made in USA
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CA210 Specifications Maximum input torque (lb-ft), Class I - 900
CA210 Overview Off-the-shelf availability Proven design tailored to the industry Creates suitable application torque Broader horsepower coverage up to 400 hp Sealed for life ball type main bearing Built-in hex nut eases adjustment verification Limited 2-year warranty Made in USA
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CX107P Specifications Maximum Input Torque (lb-ft) Class I - 175 Clutch Maximum HP ratingClass II - 54 Class III - 36 Class IV - 27 CX107P Overview Available in sizes 6.5″ through 11.5″ Ball type main bearing Creates suitable application torque capacity Optional sintered iron plates* Built-in hex nut Suitable for in-line and side load applications Creates 25% higher torque capacity* Eases adjustment verification
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IB 314IL Specifications Maximum Input Torque (lb-ft) Class I - 3040 Clutch Maximum HP ratingClass II - 741 Class III - 494 Class IV - 371 IB 314IL Overview Sealed-for-life pilot bearing Ventilated center plates and drive ring Optional sintered iron plates Built-in hex nut Less maintenance Improved heat dissipation Creates 25% higher torque capacity Eases adjustment verification
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IB214P Specifications Maximum Input Torque (lb-ft) Class I - 1620 Clutch Maximum HP ratingClass II - 395 Class III - 264 Class IV - 197 IB214P Overview Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allow for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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IB314P Specifications Maximum Input Torque (lb-ft) Class I - 3040 Clutch Maximum HP ratingClass II - 741 Class III - 494 Class IV - 371 IB314P Overview Tapered roller main bearings Sealed-for-life pilot bearing Ventilated center plates and drive ring Optional sintered iron plates Buit-in hex nut More suitable for side load applications Less maintenance Improved heat dissipation Creates 25% higher torque capacity Eases adjustment verification
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IB318IL Specifications Maximum Input Torque (lb-ft) Class I - 7500 Clutch Maximum HP ratingClass II - 1224 Class III - 816 Class IV - 612 IB318IL Overview Optional sintered iron plates Built in hex nut Ventilated center plates & driving ring Sealed for life pilot bearing Creates 25% higher torque capacity
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IB318P0 Specifications Maximum Input Torque (lb-ft) Class I - 7500 Clutch Maximum HP ratingClass II - 1224 Class III - 816 Class IV - 612 IB318P0 Overview Sealed-for-life pilot bearing Ventilated center plates and drive ring Optional sintered iron plates Buit-in hex nut Less maintenance Improved heat dissipation Creates 25% higher torque capacity Eases adjustment verification
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IB321IL Specifications Maximum Input Torque (lb-ft) Class I - 8400 Clutch Maximum HP ratingClass II - 1667 Class III - 1111 Class IV - 834 IB321IL Overview Sealed-for-life pilot bearing Ventilated center plates and drive ring Optional sintered iron plates Buit-in hex nut Less maintenance Improved heat dissipation Creates 25% higher torque capacity Eases adjustment verification
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IB321P Specifications Maximum Input Torque (lb-ft) Class I - 8400 Clutch Maximum HP ratingClass II - 1667 Class III - 1111 Class IV - 834 IB321P Overview Tapered roller main bearings Sealed for life pilot bearing Ventilated center plates and drive ring Optional sintered iron plates Built-in hex nut More suitable for side load applications Less maintenance Improved heat dissipation Creates 25% higher torque capacity Eases adjustment verification
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PO314S Overview Optional sintered iron plates No pilot bearing Air actuated Straddle-bearing design Creates 25% higher torque capacity Ease of installation Remote actuation Clutch adjustment not required Allows for maximum side load capability
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PO318S Overview Optional sintered iron plates No pilot bearing Air actuated Straddle-bearing design Creates 25% higher torque capacity Ease of installation Remote actuation Clutch adjustment not required Allows for maximum side load capability
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RO111P | RO214P Overview Innovation for Productivity Engage remotely for reliable power with the Twin Disc Remote Over Center PTO. Choose a hydraulic or pneumatic clutch with innovative features like these:
Greaseable shaft bearings Permanently sealed pilot bearing Field retrofit kit options The RO PTO is suitable for a wide range of heavy-duty applications and backed by global customer service, for top productivity.
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SP111P Specifications Maximum input torque (lb-ft), Class I - 455 Clutch Maximum HP RatingClass II - 124 Class III - 82 Class IV - 62 SP111P Overview SP111P/211P Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification PTO Application Data Sheet (157k pdf)
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SP114P Specifications Maximum input torque (lb-ft), Class I - 810 Clutch Maximum HP RatingClass II - 188 Class III - 125 Class IV - 94 SP114P Overview SP114P Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP211P Specifications Maximum input torque (lb-ft), Class I - 909 Clutch Maximum HP RatingClass II - 247 Class III - 165 Class IV - 124 SP211P Overview SP111P/211P Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification PTO Application Data Sheet (157k pdf)
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SP214IL Specifications Maximum input torque (lb-ft), Class I - 1620 Clutch Maximum HP RatingClass II - 564 Class III - 376 Class IV - 282 SP214IL Overview Optional sintered iron plates Optional ball bearing throw out No pilot bearing Buit-in hex nut Creates 25% higher torque capacity Allows for more frequent engagements Ease of installation Eases adjustment verification
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SP214P Specifications Maximum input torque (lb-ft), Class I - 1620 Clutch Maximum HP RatingClass II - 376 Class III - 251 Class IV - 188 SP214P Overview SP214P/314P Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP218P Overview SP218 P Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP311P Overview Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP314IL Overview Optional sintered iron plates Optional ball bearing throw out No pilot bearing Buit-in hex nut Creates 25% higher torque capacity Allows for more frequent engagements Ease of installation Eases adjustment verification
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SP314P Specifications Maximum input torque (lb-ft), Class I - 2430 Clutch Maximum HP RatingClass II - 564 Class III - 376 Class IV - 282 SP314P Overview Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP314S Specifications Maximum input torque (lb-ft), Class I - 2430 Clutch Maximum HP RatingClass II - 564 Class III - 376 Class IV - 282 SP314S Overview Straddle-bearing design No pilot bearing Ball bearing throw out Optional sintered iron plates Buit-in hex nut More suitable for side load applications Ease of installation Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP318IL Specifications Maximum Input Torque (lb-ft) Class I - 6000 Clutch Maximum HP ratingClass II - 933 Class III - 622 Class IV - 467
SP318IL Overview Optional sintered iron plates Optional ball bearing throw out No pilot bearing Buit-in hex nut Creates 25% higher torque capacity Allows for more frequent engagements Ease of installation Eases adjustment verification
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SP318P Specifications Maximum input torque (lb-ft), Class I - 6000 Clutch Maximum HP RatingClass II - 933 Class III - 622 Class IV - 467 SP318P Overview Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP318S Specifications Maximum input torque (lb-ft), Class I - 6000 Clutch Maximum HP RatingClass II - 933 Class III - 622 Class IV - 467 SP318S Overview Straddle-bearing design No pilot bearing Ball bearing throw out Optional sintered iron plates Buit-in hex nut More suitable for side load applications Ease of installation Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification
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SP321P Specifications Maximum input torque (lb-ft), Class I - 6730 Clutch Maximum HP RatingClass II - 1270 Class III - 847 Class IV - 635 SP321P Overview Available in sizes 11.5″ through 21.0″ Tapered roller main bearings Optional sintered iron plates Optional ball bearing throw out Buit-in hex nut Creates suitable application torque capacity More suitable for side load applications Allows for more frequent engagements Creates 25% higher torque capacity Eases adjustment verification Have Questions or Looking for Twin Disc Part? 
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