Shop Symmetrical Mechanical Locking Coupler

Sponsored
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$36.54
Ruland MOCT33-9-A, 9mm Oldham Coupling Hub, Aluminum, Clamp Style, 33.3mm OD, 15.0mm Length
Ruland Manufacturing
$36.54
Ruland MOCT33-9-A, 9mm Oldham Coupling Hub, Aluminum, Clamp Style, 33.3mm OD, 15.0mm Length
Ruland Manufacturing
$299.18
Ruland MBCK57-14-14-A, 14mm X 14mm Bellows Coupling With Keyways, High Stiffness, Aluminum, 57.2Mm, OD 82.2mm Length
Ruland Manufacturing
$299.18
Ruland MBCK57-14-14-A, 14mm X 14mm Bellows Coupling With Keyways, High Stiffness, Aluminum, 57.2Mm, OD 82.2mm Length
Ruland Manufacturing
$259.00
Bien Air LX Multiflex 6-Pin High Speed Coupler - 1600902 - Reconditioned
Henry Schein Outlet
$259.00
Bien Air LX Multiflex 6-Pin High Speed Coupler - 1600902 - Reconditioned
Henry Schein Outlet
$329.00
Midwest Sirona Style 6-Pin High Speed Coupler - 790436 - Demo Model
Henry Schein Outlet
$329.00
Midwest Sirona Style 6-Pin High Speed Coupler - 790436 - Demo Model
Henry Schein Outlet
$34.49
1/2" Hydraulic Ball Pioneer Style Couplers Tractor Quick Connects NPTF Pipe Thread AG Couplings ISO 5675 (2-Pairs)
Amazon.com
Free shipping
$34.49
1/2" Hydraulic Ball Pioneer Style Couplers Tractor Quick Connects NPTF Pipe Thread AG Couplings ISO 5675 (2-Pairs)
Amazon.com
$61.99
2-5/16" Heavy Duty Adjustable Trailer Coupler, 15,000 Lbs Class IV Channel-Mount Tow Hitch Coupler With Latch Lock, Rust-Resistant Black Finish For RV
Amazon.com
19
Free shipping
$61.99
2-5/16" Heavy Duty Adjustable Trailer Coupler, 15,000 Lbs Class IV Channel-Mount Tow Hitch Coupler With Latch Lock, Rust-Resistant Black Finish For RV
Amazon.com
$376.00
B&W Defender Locking Gooseneck Coupler - Adjustable - Round - 2-5/16" Ball - 25,000 Lbs BWGNC4251
etrailer.com
$376.00
B&W Defender Locking Gooseneck Coupler - Adjustable - Round - 2-5/16" Ball - 25,000 Lbs BWGNC4251
etrailer.com
$99.95
Equipment Lock Ball And Ring Trailer Hitch Lock - Powder Coated Steel Trailer Ball Lock - Durable, Secure Coupler Lock - Boat Trailer, Flatbed, And
Amazon.com
499
Free shipping
$99.95
Equipment Lock Ball And Ring Trailer Hitch Lock - Powder Coated Steel Trailer Ball Lock - Durable, Secure Coupler Lock - Boat Trailer, Flatbed, And
Amazon.com
$57.35
OPW Autolok CL Self-Locking Cam & Groove Female Coupler X Hose Shank - 733CL-07SB
John M. Ellsworth Co., Inc.
$57.35
OPW Autolok CL Self-Locking Cam & Groove Female Coupler X Hose Shank - 733CL-07SB
John M. Ellsworth Co., Inc.
$67.46
OPW Autolok BL Self-Locking Female Coupler X Male NPT - 733BL-10SB
John M. Ellsworth Co., Inc.
$67.46
OPW Autolok BL Self-Locking Female Coupler X Male NPT - 733BL-10SB
John M. Ellsworth Co., Inc.
$62.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2In.W Channel
Northern Tool
$62.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2In.W Channel
Northern Tool
$89.99
Ultra-Tow XTP Auto-Locking A-Frame Trailer Coupler, 5000-Lb. Capacity, Fits 2in. Ball
Northern Tool
$89.99
Ultra-Tow XTP Auto-Locking A-Frame Trailer Coupler, 5000-Lb. Capacity, Fits 2in. Ball
Northern Tool
$54.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2 1/2In.W Channel
Northern Tool
$54.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2 1/2In.W Channel
Northern Tool
$11.95
Veloci Stainless 3/8" Female Locking QC Coupler
Detail King
$11.95
Veloci Stainless 3/8" Female Locking QC Coupler
Detail King
$209.56
Dixon 5500-Series API Coupler Locking Device - 40714AL
John M. Ellsworth Co., Inc.
$209.56
Dixon 5500-Series API Coupler Locking Device - 40714AL
John M. Ellsworth Co., Inc.
$22.98
Brok Stamped Steel Trailer Coupler With Quick Release Locking Handle - 2-In Ball Size, Silver Finish One_Size | 32978
Lowe's
$22.98
Brok Stamped Steel Trailer Coupler With Quick Release Locking Handle - 2-In Ball Size, Silver Finish One_Size | 32978
Lowe's
$71.47
Sleeve-Lock A-Frame Trailer Coupler - Flip Latch - Black - 2" Ball - 7,000 Lbs CA-5196-B
etrailer.com
$71.47
Sleeve-Lock A-Frame Trailer Coupler - Flip Latch - Black - 2" Ball - 7,000 Lbs CA-5196-B
etrailer.com
$20.65
Coilhose 153AL 1/4" Automatic Industrial Coupler 1/4" ID Lock-On Mrosupply
MRO Supply MC
Free shipping
$20.65
Coilhose 153AL 1/4" Automatic Industrial Coupler 1/4" ID Lock-On Mrosupply
MRO Supply MC
$349.00
Chevy Silverado 1500 Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Auto-Locking MVP011.2516
AmericanTrucks.com
2
$349.00
Chevy Silverado 1500 Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Auto-Locking MVP011.2516
AmericanTrucks.com
$2.31
$3.95
Tempo Quick Lock Coupling .940 in. Quick Lock | FQLC800
Sprinkler Warehouse
41% off
$2.31
$3.95
Tempo Quick Lock Coupling .940 in. Quick Lock | FQLC800
Sprinkler Warehouse
$106.99
Curt Channel-Mount Coupler With Easy Lock 15,000 Lbs. Gross Trailer Weight, 2 5/16 in. Ball
JEGS High Performance
342
$106.99
Curt Channel-Mount Coupler With Easy Lock 15,000 Lbs. Gross Trailer Weight, 2 5/16 in. Ball
JEGS High Performance
$29.99
$60.00
Mechanical Lock Nut Set With M10 Threaded Fasteners And Clamping Lever Handle In Zinc Alloy For Workholding Fixtures Quick Adjust Screw Precision Hand
VXB.com
Free shipping
50% off
$29.99
$60.00
Mechanical Lock Nut Set With M10 Threaded Fasteners And Clamping Lever Handle In Zinc Alloy For Workholding Fixtures Quick Adjust Screw Precision Hand
VXB.com
$335.95
Climax Metal, Keyless Rigid Coupling, C600E-175, Steel, 1.75"(D) X 3.78"(D), 1-3/4"L Shaft
Global Industrial
$335.95
Climax Metal, Keyless Rigid Coupling, C600E-175, Steel, 1.75"(D) X 3.78"(D), 1-3/4"L Shaft
Global Industrial
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
1K+
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
$68.95
Infiniterule Trailer Latch Lock For Stamped Demco Ez-Latch Trailer Coupler - 2-5/16" Ball IR42FR
etrailer.com
38
$68.95
Infiniterule Trailer Latch Lock For Stamped Demco Ez-Latch Trailer Coupler - 2-5/16" Ball IR42FR
etrailer.com
$20.88
$29.83
153AL Coilhose 1/4" Automatic Industrial Coupler, 1/4" ID Lock-On UPC 029292115889
gghyd.com
30% off
$20.88
$29.83
153AL Coilhose 1/4" Automatic Industrial Coupler, 1/4" ID Lock-On UPC 029292115889
gghyd.com
$42.99
CURT Hitch & Coupler Lock Set (2" Receiver, 7/8" Latch), 23526
Advance Auto Parts
$42.99
CURT Hitch & Coupler Lock Set (2" Receiver, 7/8" Latch), 23526
Advance Auto Parts
$20.92
$44.99
Master Lock Silver Alloy Steel Trailer Coupler Lock - 377KA-0313
Acme Tools
2
53% off
$20.92
$44.99
Master Lock Silver Alloy Steel Trailer Coupler Lock - 377KA-0313
Acme Tools
$48.99
CURT 2in. Straight-Tongue Coupler With Posi-Lock (3in. Channel 5000 Lbs. Zinc), 25100
Advance Auto Parts
555
$48.99
CURT 2in. Straight-Tongue Coupler With Posi-Lock (3in. Channel 5000 Lbs. Zinc), 25100
Advance Auto Parts
$89.95
Bulletproof Hitches EDCOUPLERLOCK: Bulletproof Hitches Extreme-Duty Coupler Locks
Summit Racing
$89.95
Bulletproof Hitches EDCOUPLERLOCK: Bulletproof Hitches Extreme-Duty Coupler Locks
Summit Racing
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
1
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$33.24
(2 Pack) Towsmart Premium Coupler Lock With 2 Keys, Brass, 732
Walmart
74
$33.24
(2 Pack) Towsmart Premium Coupler Lock With 2 Keys, Brass, 732
Walmart
$34.25
Master Lock 1/2 in And 5/8 in Swivel Head Receiver Lock W/Ss Adj Coupler Latch Lock Stainless Steel One_Size | 2848DAT
Lowe's
$34.25
Master Lock 1/2 in And 5/8 in Swivel Head Receiver Lock W/Ss Adj Coupler Latch Lock Stainless Steel One_Size | 2848DAT
Lowe's
$349.00
Silverado 2500 Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast With Twist Latch MVP014.2516
AmericanTrucks.com
2
$349.00
Silverado 2500 Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast With Twist Latch MVP014.2516
AmericanTrucks.com
$34.99
Pro Class 7277 Trailer Coupler Ball Hitch Lock 1-7/8" 2" 2-5/16"
eBay
Free shipping
$34.99
Pro Class 7277 Trailer Coupler Ball Hitch Lock 1-7/8" 2" 2-5/16"
eBay
$41.14
TRIMAX TRIMAX Deluxe Universal Dual Purpose Trailer Coupler Lock With Integrated U-Lock In Gray | UMAX50
Lowe's
1
$41.14
TRIMAX TRIMAX Deluxe Universal Dual Purpose Trailer Coupler Lock With Integrated U-Lock In Gray | UMAX50
Lowe's
A train coupler is a complex locking mechanism designed to securely connect train cars, but under certain conditions, it can get stuck, causing operational delays. As shown in the image, the coupler relies on an interlocking latch system with rotating components and spring-loaded mechanisms to engage and disengage properly. However, misalignment during coupling, excessive force, debris accumulation, or weakened springs can prevent smooth operation, leading to a jammed coupler. Additionally, extr
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Shop Symmetrical Mechanical Locking Coupler

Sponsored
About our ads
$36.54
Ruland MOCT33-9-A, 9mm Oldham Coupling Hub, Aluminum, Clamp Style, 33.3mm OD, 15.0mm Length
Ruland Manufacturing
$36.54
Ruland MOCT33-9-A, 9mm Oldham Coupling Hub, Aluminum, Clamp Style, 33.3mm OD, 15.0mm Length
Ruland Manufacturing
$299.18
Ruland MBCK57-14-14-A, 14mm X 14mm Bellows Coupling With Keyways, High Stiffness, Aluminum, 57.2Mm, OD 82.2mm Length
Ruland Manufacturing
$299.18
Ruland MBCK57-14-14-A, 14mm X 14mm Bellows Coupling With Keyways, High Stiffness, Aluminum, 57.2Mm, OD 82.2mm Length
Ruland Manufacturing
$259.00
Bien Air LX Multiflex 6-Pin High Speed Coupler - 1600902 - Reconditioned
Henry Schein Outlet
$259.00
Bien Air LX Multiflex 6-Pin High Speed Coupler - 1600902 - Reconditioned
Henry Schein Outlet
$329.00
Midwest Sirona Style 6-Pin High Speed Coupler - 790436 - Demo Model
Henry Schein Outlet
$329.00
Midwest Sirona Style 6-Pin High Speed Coupler - 790436 - Demo Model
Henry Schein Outlet
$34.49
1/2" Hydraulic Ball Pioneer Style Couplers Tractor Quick Connects NPTF Pipe Thread AG Couplings ISO 5675 (2-Pairs)
Amazon.com
Free shipping
$34.49
1/2" Hydraulic Ball Pioneer Style Couplers Tractor Quick Connects NPTF Pipe Thread AG Couplings ISO 5675 (2-Pairs)
Amazon.com
$61.99
2-5/16" Heavy Duty Adjustable Trailer Coupler, 15,000 Lbs Class IV Channel-Mount Tow Hitch Coupler With Latch Lock, Rust-Resistant Black Finish For RV
Amazon.com
19
Free shipping
$61.99
2-5/16" Heavy Duty Adjustable Trailer Coupler, 15,000 Lbs Class IV Channel-Mount Tow Hitch Coupler With Latch Lock, Rust-Resistant Black Finish For RV
Amazon.com
$376.00
B&W Defender Locking Gooseneck Coupler - Adjustable - Round - 2-5/16" Ball - 25,000 Lbs BWGNC4251
etrailer.com
$376.00
B&W Defender Locking Gooseneck Coupler - Adjustable - Round - 2-5/16" Ball - 25,000 Lbs BWGNC4251
etrailer.com
$99.95
Equipment Lock Ball And Ring Trailer Hitch Lock - Powder Coated Steel Trailer Ball Lock - Durable, Secure Coupler Lock - Boat Trailer, Flatbed, And
Amazon.com
499
Free shipping
$99.95
Equipment Lock Ball And Ring Trailer Hitch Lock - Powder Coated Steel Trailer Ball Lock - Durable, Secure Coupler Lock - Boat Trailer, Flatbed, And
Amazon.com
$57.35
OPW Autolok CL Self-Locking Cam & Groove Female Coupler X Hose Shank - 733CL-07SB
John M. Ellsworth Co., Inc.
$57.35
OPW Autolok CL Self-Locking Cam & Groove Female Coupler X Hose Shank - 733CL-07SB
John M. Ellsworth Co., Inc.
$67.46
OPW Autolok BL Self-Locking Female Coupler X Male NPT - 733BL-10SB
John M. Ellsworth Co., Inc.
$67.46
OPW Autolok BL Self-Locking Female Coupler X Male NPT - 733BL-10SB
John M. Ellsworth Co., Inc.
$62.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2In.W Channel
Northern Tool
$62.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2In.W Channel
Northern Tool
$89.99
Ultra-Tow XTP Auto-Locking A-Frame Trailer Coupler, 5000-Lb. Capacity, Fits 2in. Ball
Northern Tool
$89.99
Ultra-Tow XTP Auto-Locking A-Frame Trailer Coupler, 5000-Lb. Capacity, Fits 2in. Ball
Northern Tool
$54.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2 1/2In.W Channel
Northern Tool
$54.99
Ultra-Tow XTP Auto-Locking Trailer Coupler, 3500-Lb. Capacity, Fits 2in. Ball, 2 1/2In.W Channel
Northern Tool
$11.95
Veloci Stainless 3/8" Female Locking QC Coupler
Detail King
$11.95
Veloci Stainless 3/8" Female Locking QC Coupler
Detail King
$209.56
Dixon 5500-Series API Coupler Locking Device - 40714AL
John M. Ellsworth Co., Inc.
$209.56
Dixon 5500-Series API Coupler Locking Device - 40714AL
John M. Ellsworth Co., Inc.
$22.98
Brok Stamped Steel Trailer Coupler With Quick Release Locking Handle - 2-In Ball Size, Silver Finish One_Size | 32978
Lowe's
$22.98
Brok Stamped Steel Trailer Coupler With Quick Release Locking Handle - 2-In Ball Size, Silver Finish One_Size | 32978
Lowe's
$71.47
Sleeve-Lock A-Frame Trailer Coupler - Flip Latch - Black - 2" Ball - 7,000 Lbs CA-5196-B
etrailer.com
$71.47
Sleeve-Lock A-Frame Trailer Coupler - Flip Latch - Black - 2" Ball - 7,000 Lbs CA-5196-B
etrailer.com
$20.65
Coilhose 153AL 1/4" Automatic Industrial Coupler 1/4" ID Lock-On Mrosupply
MRO Supply MC
Free shipping
$20.65
Coilhose 153AL 1/4" Automatic Industrial Coupler 1/4" ID Lock-On Mrosupply
MRO Supply MC