| COMPATIBLE VEHICLES |
| Type |
Medium-duty, cab-chassis trucks w/single rear axle and dual rear
wheels. |
|
Weight Class:
GVWR
GAWR-FRONT
GAWR-REAR |
Up to 28,000-lb. (12,700-kg) max.
Up to 9,000-lb. (4,082-kg) max.
Up to 19,000-lb. (8,618-kg) max. |
| GUIDE WHEEL UNITS |
| Construction |
Fabricated steel unit; welded and bolted construction. |
| Attachment to Vehicle |
Universal front unit bolts to vehicle front end with custom mounting
brackets specific to each vehicle model; universal rear unit bolts
to vehicle chassis rails; standard multiple bolt holes enable
adjustment of unit mounting for frame height and vehicle load. |
|
Suspension
Front Unit
Rear Unit |
Enclosed coil springs w/shock absorbers.
Enclosed coil springs with adjustable preload. |
|
Rail Wheels
Tread Diameter
Flange Diameter |
Austempered ductile iron; precision machined.
10.0-in. (254-mm)
12.250-in. (308-mm) |
| Spindles |
Precision-machined tempered steel forging. |
| Wheel Bearings |
Heavy-duty, tapered roller; relubrication by hand pack method |
| Brakes |
Air/hydraulic-actuated, recommended safety option for front and
rear units. |
| Safety Locks |
Positive mechanical lock on each unit; locked in rail and highway
positions; lock release lever secured by a retainer pin. |
| Derail Skids |
Built-in; standard on front and rear units. |
| Rail Sweeps |
Bolt-on; manually actuated; (recommended safety option for front
unit). |
| Raise/Lower Actuation |
Hydraulic; double-acting cylinder; manual control valve located
on each unit. |
| Bumpers |
Front bumper - standard. |
| WEIGHT & DIMENSIONS |
| Front Unit |
1400-lb. (635-kg) with standard equipment. |
| Rear Unit |
1200-lb. (544.3-kg) with standard equipment. |
| Track Gauge |
56.5-in. (1435-mm) - Standard |
| LOAD CAPACITY |
| Front Unit |
9,000-lb. (4,082-kg) / 4,500-lb. (2,041-kg) maximum load per side. |
| Rear Unit |
8,600-lb. (2,268-kg) / 4,300-lb. (1,950-kg) maximum load per side. |
| REQUIRED AUXILIARY EQUIPMENT |
| Steering Lock |
Steering column mounted; manual engagement on steering wheel |
| Mounting Brackets and Spacers |
Specific design for each approved vehicle model. |
| Axle Lock for Vehicle Front Axle |
Hook-type; positioned under vehicle axle by push/pull rods located
on front unit. |
| HYDRAULIC SYSTEM REQUIREMENTS |
| Flow Range |
5-8-gpm (18.9-30.2-lpm). |
| Operating Pressure |
1,600-psi (110.3-bar) max. |
|
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