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Roller mast assembly
Sellick SEE-THRU© roller 2-stage or 3-stage masts are a stiff mast design with long-lasting wrap-around bracing. Designed with 6 load rollers and 4 side-thrust rollers. Low maintenance.
Underclearance (std): 12 inches
Mast sideshift: 6 inches
Tilt forward: 45°; tilt rearward: 12°
Mast mount
High performance maintenance-free mast mount composite bushings with Teflon© coating.
Self-cleaning seals prevent dirt from lodging between mount and shaft.
Hydraulic system
Closed hydraulic system powered by cast iron load sense hydraulic pump. Pump mounted directly to the engine. Positive-pressure hydraulic tank ensures efficient functioning of pump.
Three PSI relief in hydraulic tank ensures positive pressure preventing dirt and other inpurities from entering tank.
Oil cleanliness ensured by suction strainer and 10 micron return filter.
Tank capacity: 21 Gal (79 L)
Hydraulic flow rate: 25 gpm @ 2200 rpm
Cylinders: Low maintenance, piston-type lift cylinders.
All lift cylinders have load check valves to decrease the rate of speed in case of an hose or other hydraulic failure.
Sellick mast capacities
Sellick manufactures a wide variety of SEE-THRU© masts—shown below are the most popular mast models only. Please contact us for more information including extended load centre capacities. |
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| S Series capacity charts (based on 24" load centres) |
| Truck model |
Type |
Mast model
number |
Lower height |
Maximum
fork height |
Capacity
@ maximum
fork height |
S-60
(6,000 lbs) |
2-stage mast |
622 |
91" |
120" |
6,000 lbs |
| 623 |
104" |
144" |
6,000 lbs |
| 624 |
118" |
169" |
6,000 lbs |
S-60
(6,000 lbs) |
3-stage mast |
633 |
79" |
144" |
6,000 lbs |
| 634 |
91" |
180" |
6,000 lbs |
| 635 |
104" |
216" |
4,800 lbs |
| 636 |
121" |
264" |
3,240 lbs |
S-80
(8,000 lbs) |
2-stage mast |
822 |
94" |
120" |
8,000 lbs |
| 823 |
107" |
144" |
8,000 lbs |
| 824 |
121" |
169" |
8,000 lbs |
| 825 |
134" |
192" |
7,500 lbs |
S-80
(8,000 lbs) |
3-stage mast |
833 |
82" |
144" |
8,000 lbs |
| 834 |
94" |
180" |
8,000 lbs |
| 835 |
107" |
216" |
6,500 lbs |
| 836 |
124" |
264" |
4,700 lbs |
S-100
(10,000 lbs) |
2-stage mast |
122 |
100" |
120" |
10,000 lbs |
| 123 |
112" |
144" |
10,000 lbs |
| 124 |
124" |
168" |
10,000 lbs |
| 125 |
137" |
192" |
9,500 lbs |
| 127 |
151" |
216" |
9,000 lbs |
S-100
(10,000 lbs) |
3-stage mast |
133 |
87" |
144" |
10,000 lbs |
| 132 |
96" |
168" |
10,000 lbs |
| 131 |
105" |
192" |
9,500 lbs |
| 136 |
133" |
264" |
8,200 lbs |
S-120
(12,000 lbs) |
2-stage mast |
222 |
105" |
120" |
12,000 lbs |
| 223 |
117" |
144" |
12,000 lbs |
| 224 |
129" |
168" |
11,500 lbs |
| 225 |
142" |
192" |
11,000 lbs |
| 227 |
155" |
216" |
10,000 lbs |
S-120
(12,000 lbs) |
3-stage mast |
233 |
92" |
144" |
12,000 lbs |
| 232 |
100" |
168" |
11,600 lbs |
| 231 |
110" |
192" |
11,000 lbs |
| 236 |
138" |
264" |
9,300 lbs |
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