Pro-Tec Equipment | Man 4 Series
TM Manhole
Manhole-Shield-diagram

Man 4 Series

Standard features

  • Industry’s first standard 4-point lift system
  • Full-length double top rail provides built-in “I” beam strength
  • Wrap-around wings
  • Professional Engineer Certified to meet or exceed O.S.H.A. requirements
  • On knife edge shields: the industry’s strongest knife edge
  • On flat bottom shields: full-length double bottom rail provides built-in “I” beam strength
  • Available in single and double wall models
  • Includes connected, 5” schedule 80 spreader pipe

Man 4 Series options

  • Foam filling – prevents soil and water buildup (on double wall shields)
  • Cutouts and replaceable doors
  • Stacking pockets
  • Custom sizes

Manhole shields – 4” Single Wall

Standard Metric
Height x Length x Width Model Weight** Pipe Clearance Shield Capacity* Depth of Cut* B-Soils Depth of Cut* C-60 Soils Depth of Cut* C-80 Soils
ft lbs in psf ft ft ft
4 X 8 X 8 MAN 4-48 S 2700 24 1800 40 30 23
4 X 10 X 10 MAN 4-410 S 3000 24 1380 31 23 17
4 X 8 X 8 MAN 4-88 S 4200 48 1140 25 19 14
8 X 10 X 10 MAN 4-810 S 4900 48 780 17 13 10
8 X 12 X 12 MAN 4-812 S 5600 48 600 13 10 8

Manhole shields – 4” Double Wall

Standard Metric
Height x Length x Width Model Weight** Pipe Clearance Shield Capacity* Depth of Cut* B-Soils Depth of Cut* C-60 Soils Depth of Cut* C-80 Soils
ft lbs in psf ft ft ft
4 X 8 X 8 MAN 4-48 3100 24 3000 67 50 38
4 X 10 X 10 MAN 4-410 3600 24 3000 67 50 38
4 X 12 X 12 MAN 4-412 4200 24 2100 47 35 26
8 X 8 X 8 MAN 4-88 4990 48 2400 53 40 30
8 X 10 X 10 MAN 4-810 5890 48 2100 47 35 26
8 X 12 X 12 MAN 4-812 6750 48 1680 37 28 21
8 X 14 X 14 MAN 4-814 7700 48 1500 33 25 19

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