Crosby McKissick 475, 476 & 477 Oilfield Well Logger's Block - Range from 1350kg to 9,000kg

Oilfield Servicing, Well Logger's Blocks.

Model: 

475, 477, 476 / OWLB-2534


  • Alloy aluminum housing for maximum strength and minimum weight.
  • Conductor cable ONLY is recommended for use with Well Logger’s Blocks.
  • For use in high speed well logging, perforating, etc.
  • Extra large double row, pre-adjusted sealed tapered bearing.
  • Quick opening pin for fast string-up, light weight for easy handling.
Mckissick 475 Floor Blocks
Mckissick 477 Floor Blocks
Mckissick 476 Top Blocks
McKissick 475 Floor Block McKissick 477 Floor Block McKissick 476 Top Block

475 & 477 Floor Block Specifications

Sheave Dia. (mm) Block No. Floor Block Stock No. Working Load Limit (t)* Conductor Cable Size (mm)† Weight (kg) Connection
178 475 180020 1.35 5 4.5 Swivel Hanger
254 475 180253 2.25 8 9.5 Swivel Hanger
305 475 180440 2.25 8 10.8 Swivel Hanger
356 475 180618 2.25 8 19.5 Swivel Hanger
356 477 169784 5.4 6 26.3 Swivel Clevis
508 477 191072 5.4 6 31.8 Swivel Clevis
610 477 191107 9 8 58.9 Swivel Clevis

*Ultimate Load is 4 times the Working Load Limit.
†Other cable sizes available upon request.

476 Top Block Specifications

Sheave Dia. (mm) Block No. Top Block Stock No. Working Load Limit (t)* Conductor Cable Size (mm) Weight (kg) Connection
178 476 180075 2.25 5 4.5 Stinger Pin
254 474 180173 2.25 5 4.5 Stinger Pin
254 476 180333 3.6 8 9.5 Stinger Pin
305 476 180529 3.6 8 10.8 Stinger Pin
356 476 180707 3.6 8 19.5 Stinger Pin

* Ultimate Load is 4 times the Working Load Limit.

Crosby-catalogue-page-number-342-349.pdf

Product Warnings

(approx. 0.5Mb)
crosby-catalogue-page-334.pdf

Crosby catalogue page 334

(approx. 0.2Mb)
Model Type
Part N° Sheave Dia. (in.) Working Load Limit (t)* Conductor Cable Size (mm)† Weight Each (kg) 4.5 Connection Guide Price Quantity
2534-T1562
180020
7 1.35 5 4.5 9.5 Swivel Hanger Quote Required
2534-T1564
180253
10 2.25 8 9.5 19.5 Swivel Hanger Quote Required
2534-T1565
180440
12 2.25 8 10.8 26.3 Swivel Hanger Quote Required
2534-T1566
180618
14 2.25 8 19.5 31.8 Swivel Hanger Quote Required
2534-T1567
169784
14 5.4 6 26.3 58.9 Swivel Clevis Quote Required
2534-T1568
191072
20 5.4 6 31.8 70 Swivel Clevis Quote Required
2534-T1569
191107
24 9 8 58.9 130 Swivel Clevis Quote Required
Add to Quote Basket   ?  
  • Alloy aluminum housing for maximum strength and minimum weight.
  • Conductor cable ONLY is recommended for use with Well Logger’s Blocks.
  • For use in high speed well logging, perforating, etc.
  • Extra large double row, pre-adjusted sealed tapered bearing.
  • Quick opening pin for fast string-up, light weight for easy handling.
Mckissick 475 Floor Blocks
Mckissick 477 Floor Blocks
Mckissick 476 Top Blocks
McKissick 475 Floor Block McKissick 477 Floor Block McKissick 476 Top Block

475 & 477 Floor Block Specifications

Sheave Dia. (mm) Block No. Floor Block Stock No. Working Load Limit (t)* Conductor Cable Size (mm)† Weight (kg) Connection
178 475 180020 1.35 5 4.5 Swivel Hanger
254 475 180253 2.25 8 9.5 Swivel Hanger
305 475 180440 2.25 8 10.8 Swivel Hanger
356 475 180618 2.25 8 19.5 Swivel Hanger
356 477 169784 5.4 6 26.3 Swivel Clevis
508 477 191072 5.4 6 31.8 Swivel Clevis
610 477 191107 9 8 58.9 Swivel Clevis

*Ultimate Load is 4 times the Working Load Limit.
†Other cable sizes available upon request.

476 Top Block Specifications

Sheave Dia. (mm) Block No. Top Block Stock No. Working Load Limit (t)* Conductor Cable Size (mm) Weight (kg) Connection
178 476 180075 2.25 5 4.5 Stinger Pin
254 474 180173 2.25 5 4.5 Stinger Pin
254 476 180333 3.6 8 9.5 Stinger Pin
305 476 180529 3.6 8 10.8 Stinger Pin
356 476 180707 3.6 8 19.5 Stinger Pin

* Ultimate Load is 4 times the Working Load Limit.

Crosby-catalogue-page-number-342-349.pdf

Product Warnings

(approx. 0.5Mb)
crosby-catalogue-page-334.pdf

Crosby catalogue page 334

(approx. 0.2Mb)
Model Type
Part N° Sheave Dia. (in.) Working Load Limit (t)* Conductor Cable Size (mm)† Weight Each (kg) 4.5 Connection Guide Price Quantity
2534-T1562
180020
7 1.35 5 4.5 9.5 Swivel Hanger Quote Required
2534-T1564
180253
10 2.25 8 9.5 19.5 Swivel Hanger Quote Required
2534-T1565
180440
12 2.25 8 10.8 26.3 Swivel Hanger Quote Required
2534-T1566
180618
14 2.25 8 19.5 31.8 Swivel Hanger Quote Required
2534-T1567
169784
14 5.4 6 26.3 58.9 Swivel Clevis Quote Required
2534-T1568
191072
20 5.4 6 31.8 70 Swivel Clevis Quote Required
2534-T1569
191107
24 9 8 58.9 130 Swivel Clevis Quote Required
Add to Quote Basket   ?  

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