CRANE INSTALLATION 1300A
9-4 01-22-2019 Control # 051-08
MOUNTING CONFIGURATION
The mounting configuration shown in Figure 9-2 is based on
an 85% stability factor. The crane must be installed on the
truck in accordance with factory requirements and a test
performed to determine the stability and counterweight
requirements. If the bare truck weights are not met, a
counterweight is required. A summary of mounting and truck
requirements are:
• Working area - 360°
• Gross Axle Weight Rating (GAWR) front - 18,000 Ib
(8165 kg)
• Gross Axle Weight Rating (GAWR) rear - 34,000 Ib
(15455 kg)
• Gross Vehicle Weight Rating - 52,000 Ib (23587 kg)
NOTE: Gross Vehicle Weight Rating (GVWR) is
dependent on all components of the vehicle (axles,
tires, springs, frame, etc.) meeting manufacturers'
recommendation. Always specify GVWR when
purchasing trucks.
• Wheelbase (WB) - 258 in (6.55 m)
• Cab to Axle Trunnion (CT) - 192 in (4877mm)
• After Frame (AF) - 105 in (2667mm) minimum
• Frame Section Modulus (SM) front axle to end of
afterframe - 110,000 psi (759 MPa) 20 in
3
(See Truck
Frame Strength section)
• The estimated bare chassis weights required for stability
prior to installation of crane or accessories are:
- Front 9,000 Ib (4082 kg)
- Rear 8,500 Ib (3856 kg)
- 10,000 Ib (4536 kg) with optional bed
NOTE: 10,000 Ib (4536 kg) is required at the rear axle for
360° stability. This includes the weight of the
optional bed. A counterweight is required above
the 8500 Ib (3856 kg) minimum bare chassis if the
optional bed is not used to attain the 10,000 Ib
(4536 kg) stability weight.
• Front Axle Maximum Weight - 10,500 Ibs (4763 kg)
NOTE: Weight in excess of 10,500 Ib (4763 kg) will require
the addition of a single front outrigger (SFO) or
additional rear axle stability weight for over front
stability. One-half of the front axle weight in excess
of the maximum at the rear axle will maintain
stability.
Example: A 11,000 Ib (4990 kg) Bare Front Axle
will maintain stability if the rear axle bare is 8750 Ib
(3969 kg) and 10,250 Ib (4649 kg) with the
additional optional bed weight.
360°
Optional Single Front
Outrigger (SFO)
*Clear of obstructions (mufflers, exhaust stacks, ect.) on top
of the truck frame for a full 8 foot (2.44m) of width.
360° Full capacity working area
FIGURE 9-2
1300A Minimum Measurements
48"(122 cm)
105" (267 cm)
12" (30.5 cm)
28" (71 cm)
258" (655 cm)
*
192" (488.7 cm)
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