Description

Pin Grabber Couplers Attachments
Pin Grabber Coupler (312-Linkage): 388-6156
Cat® Pin Grabber Couplers bring another level of productivity and versatility to your operation. Add the ability to change attachments quickly and conveniently to your operation, while staying aligned to worldwide safety standards.
Minimum Carrier Weight
11 ton (US)
Maximum Carrier Weight
414 ton (US)
Weight
414 lb
Specifications
Minimum Carrier Weight
11 ton (US)
Maximum Carrier Weight
15 ton (US)
Weight
414 lb
Attachment Pin Diameter - Stick (Front)
2.56 in
Attachment Pin Diameter - Link (Rear)
2.56 in
Pin Spread - Minimum
13.70 in
Pin Spread - Maximum
16.97 in
Lifting Eye Working Load Limit
22046 lb
Width - Machine Interface
15.00 in
Width - Attachment Interface
8.31 in
Features
Boost Productivity
- Get back to work faster with the capability to change attachments in seconds
- Attachments are shareable between similar sized excavators
- Couplers are weighted to handle big payloads, so you do not have to compromise on bucket size
- Do more with your equipment. Added versatility allows you to switch easily from digging, grading, material handling, compacting soil, breaking rocks, and more.
- Trenching widths available for certain coupler sizes:
- Saves backfill time and material
- Keeps the widest part of the coupler inside the digging width of 24- and 30-inch buckets
- Fully compatible with wider buckets and the same attachments as the standard models
- Pin Grabber Performance Buckets – recessed pins for an even further reduced tip radius
- Pick up buckets in reverse position to clean out square corners
Reliable Power and Strength
- Redundant locking system secures attachments:
- Primary wedge – Blocks pin movement like a deadbolt lock
- Secondary latch – Indicates to operator if coupler is either open or closed. Hinged to clamp the pin in place.
- Two spring-loaded arms – Assure secondary latch stays closed
- In the event you experience a loss of hydraulic pressure, redundant locking systems keep attachment in place
- Short coupler profile maintains tight tip radius, breakout force, and digging power
- Cast frame pieces made from abrasion-resistant steel
- Integrated, centered lift eye handles wide range of shackle, chain, and cable. Its interior shape keeps loads stable.
- Couplers without a lift eye are available in Japan to meet local lifting restrictions.
Top-of-mind Safety
- Visual and audible indicate to operator attachments are secure to the coupler.
- Greasing block provides a primary and easily accessible grease point.
- Operating procedures are simple and intuitive.
- Compliant with worldwide safety standards: ISO13031, EN474, and AS 4772:2008.
- Simplify on-the-job maintenance and improve reliability with the debris shield covering and protecting critical coupler components.
Boost Efficiency and Productivity with Integrated Technologies
- Never waste time looking for your couplers again. Cat asset tracking is available on select Pin Grabber Couplers.
- Track your entire fleet of attachments and machines from one source. Couplers with asset tracking can be viewed in VisionLink®alongside Product Link™subscribed equipment.
- Keep your assets secure. Couplers with an asset tracker send an alert if they leave an easy-to-setup site boundary.
Why choose RIMCO Barbados

Quality
Exceptional Service
All Emcompassing
Experienced
SUPPORTED EQUIPMENT
313 GC – Tier 3 Small Excavators
Net Power – ISO 9249
70.6 kW
Operating Weight
12400 kg
Maximum Digging Depth
5570 mm
326 Medium Excavators
Net Power – ISO 9249
157.8 kW
Operating Weight
25700 kg
Maximum Digging Depth
6820 mm
Ditch Cleaning Bucket 1500 mm (60 in): 439-7338
Width
60 in
Capacity
0.97 yd³
Weight
838 lb
G312 GC Demolition & Sorting Grapple: 587-8713
Grapple Area
0.52 yd³
Weight
1795 lb
Machine Class
11-15 Ton Excavators
G312 GC Demolition & Sorting Grapple: 587-8715
Grapple Area
0.52 yd³
Weight
1907 lb
Machine Class
11-15 Ton Excavators
G313 GC Demolition & Sorting Grapple: 587-8718
Grapple Area
0.59 yd³
Weight
1863 lb
Machine Class
12-17 Ton Excavators
G313 GC Demolition & Sorting Grapple: 587-8719
Grapple Area
0.59 yd³
Weight
1973 lb
Machine Class
12-17 Ton Excavators
G314 Demolition & Sorting Grapple: 587-8963
Grapple Area
0.49 yd³
Weight
2337 lb
Machine Class
12-18 Ton Excavators
General Duty Bucket 1000 mm (39 in): 591-0062
Width
39 in
Capacity
0.69 yd³
Weight
844 lb
General Duty Bucket 1050 mm (42 in): 594-7618
Width
42 in
Capacity
0.85 yd³
Weight
1026 lb
General Duty Wide Tip Bucket 1050 mm (42 in): 396-4833
Width
42 in
Capacity
1.13 yd³
Weight
1096 lb
General Duty Wide Tip Bucket 1200 mm (48 in): 396-4834
Width
48 in
Capacity
1.33 yd³
Weight
1202 lb
General Duty Wide Tip Bucket 450 mm (18 in): 396-4830
Width
18 in
Capacity
0.36 yd³
Weight
664 lb
General Duty Wide Tip Bucket 600 mm (24 in): 396-4831
Width
24 in
Capacity
0.53 yd³
Weight
776 lb
General Duty Wide Tip Bucket 900 mm (36 in): 396-4832
Width
36 in
Capacity
0.92 yd³
Weight
990 lb
Utility Duty Bucket 450 mm (18 in): 594-7659
Width
18 in
Capacity
0.26 yd³
Weight
906 lb
Utility Duty Bucket 600 mm (24 in): 594-7660
Width
24 in
Capacity
0.39 yd³
Weight
997 lb
Utility Duty Bucket 600 mm (24 in): 605-4317
Width
24 in
Capacity
0.39 yd³
Weight
737 lb
Utility Duty Bucket 900 mm (36 in): 594-7661
Width
36 in
Capacity
0.65 yd³
Weight
1184 lb
Utility Duty Bucket 900 mm (36 in): 605-4318
Width
36 in
Capacity
0.65 yd³
Weight
932 lb
LIST OF SUPPORTED EQUIPMENT
General Duty Bucket 1000 mm (39 in): 591-0062
General Duty Bucket 1050 mm (42 in): 594-7618
General Duty Wide Tip Bucket 450 mm (18 in): 396-4830
General Duty Wide Tip Bucket 600 mm (24 in): 396-4831
General Duty Wide Tip Bucket 900 mm (36 in): 396-4832
General Duty Wide Tip Bucket 1050 mm (42 in): 396-4833
General Duty Wide Tip Bucket 1200 mm (48 in): 396-4834
Ditch Cleaning Bucket 1500 mm (60 in): 439-7338
G312 GC Demolition & Sorting Grapple: 587-8713
G312 GC Demolition & Sorting Grapple: 587-8715
G313 GC Demolition & Sorting Grapple: 587-8718
G313 GC Demolition & Sorting Grapple: 587-8719
G314 Demolition & Sorting Grapple: 587-8963
Utility Duty Bucket 450 mm (18 in): 594-7659
Utility Duty Bucket 600 mm (24 in): 594-7660
Utility Duty Bucket 900 mm (36 in): 594-7661
Utility Duty Bucket 600 mm (24 in): 605-4317
Utility Duty Bucket 900 mm (36 in): 605-4318
313D2 GC (2017) Small Excavators
313D2 L (2017) Small Excavators
313 GC Small Excavators
326 – Tier 3 Medium Excavators
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