Bartlett Mid-Lifting 5th wheels are used to unload special commodities from semi-trailers. Most of these commodities are easy to unload and do not require a high dumping angle. Good examples are lumber, manufactured home sections, oranges, apples and similar items.
These units are also useful in special applications where you may need an 8-12 degree dumping angle.
Bartlett Mid-Lifting 5th Wheels provide a safe and efficient means of unloading bulk products from semi-trailers.
Bartlett customers throughout industry have cut unloading times from hours to minutes. And, they have saved thousands on equipment costs.
Specifications: Mid-Lifting 5th Wheels for Trailer Dumping
| Table II |
M59HD-48T |
M59HD-57T |
M59HD-72T |
| Gross Weight Capacity 1 (Lbs., Kg.) |
50,000 |
22,680 |
50,000 |
22,680 |
50,000 |
22,680 |
| Minimum Tractor2 C. A. Dim3 (Ins., mm) |
72 |
1829 |
84 |
2134 |
84 |
2134 |
| Lifting Height 4 A (Ins., mm) |
48 |
1219 |
57 |
1448 |
72 |
1829 |
| Down Height 5 G (Ins., mm) |
11.5 |
292 |
11.5 |
292 |
11.5 |
292 |
| Dimensions (Ins., mm) |
|
|
|
|
|
|
| A. Lifting Height 4 (Ins., mm) |
48 |
1219 |
57 |
1448 |
72 |
1829 |
| B. Travel Forward, Down to Up Pos. |
33 |
838 |
35.63 |
905 |
63.50 |
1613 |
| C. Shaft Diameter |
2.25 |
57 |
2.25 |
57 |
2.25 |
57 |
| D. Cyl. Bore |
8 |
203 |
8 |
203 |
8 |
203 |
| E. Down Height 5 |
11.50 |
292 |
11.50 |
292 |
11.50 |
292 |
| F. Port Block Below Frame |
2.50 |
63.5 |
2.50 |
63.5 |
NA 7 |
NA 7 |
| G. Cyl. Rear Below Frame |
29.50 |
749 |
29.50 |
749 |
39 |
991 |
| H.Cross Member Behind Cyl. |
6.63 |
168 |
6.63 |
168 |
6.63 |
168 |
| I. Cross Member Below Frame |
4.38 |
111 |
4.38 |
111 |
4.38 |
111 |
| J. Width 6 |
42.13 |
1070 |
42.13 |
1070 |
42.13 |
1070 |
| K. |
34.13 |
867 |
34.13 |
867 |
34.13 |
867 |
| L. |
34 |
864 |
34 |
864 |
34 |
864 |
| M. Cyl. Center to Lift Arm |
9.5 |
241 |
9.5 |
241 |
9.5 |
241 |
| N. Cyl. O.D. |
8.75 |
222 |
8.75 |
222 |
8.75 |
222 |
| P. |
85.75 |
2153 |
84.75 |
2153 |
89.50 |
2273 |
| Q. |
19 |
483 |
19 |
483 |
19 |
483 |
| Dry Weight (Lbs., Kg.) |
1570 |
712 |
1600 |
726 |
1750 |
794 |
| Installation Time (Approx. Hrs.) |
100 |
|
130 |
|
130 |
|
Footnotes:
- Gross weight refers to trailer and contents.
- Single or tandem required. Tilt or standard cab.
- C.A. refers to distance from last above-frame obstruction (i.e. transmission mount) behind tractor cab to center of tandem axles.
- Litting height refers to distance from down height to maximum raised height.
- Down height refers to distance from top of tractor frame to top of 5th wheel plate when unit is in down position.
- Shaft extension adds 1/4 inch to each side.
- Not applicable
