SKOOKUM FULL SIDED BLOCKS
5 TON TO 13.5 TON WORKING LOAD LIMIT A SERIES
- Work hardening manganese steel sheaves maximize wire rope and sheave life
- Recessed sheave design prevents wire rope from binding between sheave and block side
- Skookum full sided blocks maximize sheave protection and strength
- Versatile draw pin design allows for rapid reeving and exchange of attaching style
- Rugged cast alloy steel sides for demanding environments
SKOOKUM FULL SIDED BLOCK DIMENSIONS
| Height | Thickness | Width | Throat Bottom Width |
Inside Throat Width |
Inside Yoke Width |
Throat Height |
Yoke Bar Height |
Yoke Bar Width |
| A | B | C | D | E | F | G | H | J |
| 9.63 | 3.50 | 4.50 | 1.13 | 1.50 | 1.43 | 3.50 | 0.88 | 0.75 |
| 12.00 | 4.00 | 6.50 | 0.88 | 1.50 | 1.13 | 4.50 | 1.06 | 1.25 |
| 16.38 | 4.00 | 8.63 | 1.00 | 1.50 | 1.50 | 5.75 | 1.13 | 1.38 |
| 18.50 | 4.00 | 11.00 | 1.00 | 1.50 | 1.50 | 6.00 | 1.13 | 1.38 |
| 21.00 | 6.25 | 12.50 | 1.00 | 1.75 | 1.75 | 7.25 | 1.44 | 1.38 |
| 9.63 | 3.50 | 4.50 | 1.13 | 1.50 | 1.43 | 3.50 | 0.88 | 0.75 |
| 12.00 | 4.00 | 6.50 | 0.88 | 1.50 | 1.13 | 4.50 | 1.06 | 1.25 |
| 16.38 | 4.00 | 8.63 | 1.00 | 1.50 | 1.50 | 5.75 | 1.13 | 1.38 |
| 18.50 | 4.00 | 11.00 | 1.00 | 1.50 | 1.50 | 6.00 | 1.13 | 1.38 |
| 21.00 | 6.25 | 12.50 | 1.00 | 1.75 | 1.75 | 7.25 | 1.44 | 1.38 |
| Hook Opening |
Hook Height |
Hook Height Top |
Hook Top Thick |
Shackle Height |
| NOT SHOWN | NOT SHOWN | NOT SHOWN | NOT SHOWN | NOT SHOWN |
| 1.13 | 3.25 | 1.00 | 1.13 | 3.50 |
| 1.25 | 3.63 | 1.60 | 1.25 | 4.50 |
| 1.38 | 4.16 | 1.88 | 1.37 | 5.00 |
| 1.38 | 4.19 | 1.88 | 1.37 | 5.00 |
| – | – | – | – | 5.50 |
| 1.13 | 3.25 | 1.00 | 1.13 | 3.50 |
| 1.25 | 3.63 | 1.60 | 1.25 | 4.50 |
| 1.38 | 4.19 | 1.88 | 1.37 | 5.00 |
| 1.38 | 4.19 | 1.88 | 1.37 | 5.00 |
| – | – | – | – | 5.50 |
SPECIFICATIONS
| Model | Sheave Diam |
Bearing | Regular Yoke Part # |
Swivel Hook Part # |
Swivel Shackle Part # |
| A-4T | 4″ | BB | 666400 | 666401 | 666402 |
| A-6T | 6″ | BB | 679700 | 679701 | 679702 |
| A-8T | 8″ | BB | 680000 | 680001 | 680002 |
| A-10T | 10″ | BB | 564400 | 564401 | 564402 |
| A-12T | 12″ | BB | 564500 | – | 564502 |
| A-4RT | 4″ | RB | 680300 | 680301 | 680302 |
| A-6RT | 6″ | RB | 680600 | 680601 | 680602 |
| A-8RT | 8″ | RB | 680900 | 680901 | 680902 |
| A-10RT | 10″ | RB | 563800 | 563801 | 563802 |
| A-12RT | 12″ | RB | 571100 | – | 571102 |
| Model | Wire Rope Min |
Wire Rope Max |
WLL (tons) |
Regular Yoke Weight |
Swivel Hook Weight |
Swivel Shackle Weight |
| A-4T | 1/4 | 3/8 | 5.00 | 13.00 | 16.25 | 16.25 |
| A-6T | 3/8 | 1/2 | 7.00 | 20.00 | 24.00 | 22.00 |
| A-8T | 1/2 | 5/8 | 8.00 | 31.00 | 38.00 | 37.00 |
| A-10T | 5/8 | 3/4 | 8.00 | 37.00 | 43.00 | 44.00 |
| A-12T | 3/4 | 7/8 | 13.50 | 60.00 | – | 68.00 |
| A-4RT | 1/4 | 3/8 | 5.00 | 13.00 | 16.25 | 16.25 |
| A-6RT | 3/8 | 1/2 | 6.50 | 20.00 | 24.00 | 22.00 |
| A-8RT | 1/2 | 5/8 | 6.50 | 31.00 | 38.00 | 37.00 |
| A-10RT | 5/8 | 3/4 | 6.50 | 40.00 | 44.00 | 44.00 |
| A-12RT | 3/4 | 7/8 | 12.50 | 60.00 | – | 64.00 |