Bartlett Lifting Devices - Top-Frame Mounted 5th Wheels for Yard and Road Use

Mid-Lifting 5th Wheels For Trailer Dumping

Discontinued

Mid-Lifting 5th Wheel in Maximum Lift Position

Top View

Specifications: Mid-Lifting 5th Wheels For Trailer Dumping

Table II M59HD-48T M59HD-57T M59HD-72T

Gross Weight Capacity¹(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 Height⁴A (Ins., mm) 48 1219 57 1448 72 1829

Down Height⁵ G (Ins., mm) 11.5 292 11.5 292 11.5 292

Dimensions (Ins., mm)

A. Lifting Height⁴(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 Dia. 2.25 57 2.25 57 2.25 57

D. Cyl. Bore 8 203 8 203 8 203

E. Down Height⁵ 11.50 292 11.50 292 11.50 292

F. Port Block Below Frame 2.50 63.5 2.50 63.5 NA⁷ NA⁷

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. Width⁶ 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

Parts Link Parts Link Parts Link

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

Road Lock Kit. Included with unit.

Pneumatic Air Control Kit. For use on all tilt cabs or where standard control levers may be impractical. Kit consists of air control for pump. Required with all tilt cabs and for other applications where air control is desired.

King Pin Release. Pneumatic, with cab control valve. Manual safety lock is included.

Hydraulic Cylinders. Single-acting type with 8" bore.

Fluid Type. Anti-wear hydraulic oil with pour-point rated according to operating temperatures and conditions (Not included with unit.).

Pump. Hydraulic gear pump with integral valve. Output at 1000 rpm: 20 gpm at 2000 psi.

P.T.O. Ratio. Recommended: 80-100%.

Frame Elevating Sections and Lift Plate Assembly. All hand fabricated.

Pick-up Ramps. To meet varying tractor requirements, ramps are to be fabricated and fitted by installer. Instructions included with unit.

Complete Units. Units shipped complete except for power take-off, hydraulic fluid and flat stock steel for installation. (Fluid, flat stock and PTO supplied by distributor.)

Installation. Units are installed at the factory, or by an authorized and qualified
distributor.

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