Hydraulic boom:

5540 . . . 3-section 14’10" to 37’2" (4.3 m to 11.3 m)
5550RT . . . 4-section 12’2" to 40’8" (3.7 m to 12.4 m) from center of rotation
5560RT . . . 4-section 15’2" to 50’6" (4.6 m to 15.4 m) from center of rotation

• 4-wheel steer with crab steering
• 4-speed power shift transmission
• Power steering and power brakes
• Oscillating rear axle (4 degrees) (with 4-wheel drive only)
• Boom angle indicator (2)
• Double blocking crowd out, winch in and luff down kickout
• Electric horn
• Lights – head, tail, rear, work, stop and turn signals
• Engine hourmeter
• All steel cab structure
• Adjustable operator’s seat with seatbelt

Engine:

5540 . . . Cummins 4b3.9 76 hp @ 2500 rpm
5550Rt & 5560 RT . . . Cummins 4BT3.9 110 hp @ 2500 rpm

• Backup alarm
• ½" (12.7 mm) diameter 6x19 EIPS- IWRC wire rope 250’ (76.20 m0
• Tires – 15.00 x 22.5 radial, high traction
• Outrigger-hydraulic telescoping box-front and rear with independent control for each side
• 15 ton (13,600 kg) doublesheave hoistblock
• All load carrying cylinders include load hold check valves
• Built-in tool box
• Lighted instrument gauges
• 80 degree boom elevation
• Front and rear tie down lug
• 4-wheel drive (5550RT and 5560 RT)

• 19’6" – 67’0" (5.94m – 20.42m) five-section full-power boom
• Quick reeve dropblock with swing/swivel hook
• Hydraulic oscillating rear axle lockouts
• 4-wheel drive & 4-wheel steer
• 60 ft. (18.29m) Carrydeck
• All steel cab structure less glass (top safety plate standard)
• Lights – head, tail, rear, work, stop & turn signals
• Outriggers - two-stage hydraulic telescoping box–front & rear
• Power steering – hydraulic, load sense
• 375’ x 9/16" diameter 6 x 19 EEIPS wire rope
• Anti-two block cut-out for telescope, boom, & Hoist
• Pivoting boom head
• 14.00R24 tires
• Independent outrigger control
• Cummins 4BTA 3.9 diesel engine
• Non-skid deck surface
• Backup alarm
• Boom angle indicators
• Pilot-operated controls
• Dual rearview mirrors