G730B Volvo G730B Specifications & Technical Data (2002—2005)

Cab & controls

All controls are located in a 90° arc forward and to the right of the operator. Enclosed cab has a fully adjustable, cloth covered suspension seat and seat belt with a generous 9" (76 mm) seat belt. Located forward of the operator are the engine oil pressure, coolant temperature and fuel level gauges, transmission gear indicator and a multi-function Contronic monitoring display. Located in the fully adjustable steering pedestal are the following switches: differential lock/unlock, hazard lights, independent moldboard floats (optional) and combination turn signal, horn and high beam headlight. Heater and wiper/washer controls (if equipped), lighting and accessory switches are grouped in the operator's right hand console. This console also contains the ignition key and access to the circuit breaker and fuse panel. An accelerator/decelerator foot pedal is standard and type hand throttle are standard equipment. Outside motor mirror rear windows (L&R) and a convex interior rear view are standard. Interior operator noise levels average 75 dB(A) per ISO 6394 (second lowest).

Brakes

Service Brakes are foot operated. Dual circuit, hydraulically actuated, wet multiple disc service brakes located at the tandem drive wheels are self-adjusting, fully sealed and maintenance free. The system features crossover dual braking circuits for uniform braking on both sides of the grader. It includes reserve power assist and an operator warning system (visual and audible). The Parking Brake is a spring applied hydraulic release independent, disc type parking brake on the transmission output shaft, effective on all 4 tandem drive wheels. Additionally, it includes a visual and audible operator warning system for the parking brake being on and the transmission in gear condition. The transmission will not engage with the park brake on. Braking systems comply with SAE Recommended Practice J1473 OCT. 90, and J1152 APR. 80; ISO 3450-1996. Volvo uses asbestos-free brake components.

Circle Drive

The Volvo dual cylinder Circle Drive System uses direct acting hydraulic power for exceptional turning and holding capability under full load. The Circle Drive System uses hardened drive pinions and is protected against impact damage by an overload relief valve as standard equipment.

Load Sensing Hydraulics

Closed Center Hydraulic System senses load requirements and maintains system pressure at 350 psi (24 Bar) above the load pressure. System features industry standard control arrangement complete with low effort, feathering type short throw levers located on a fully adjustable steering pedestal. System incorporates lock valves to prevent cylinder drift under load in the following circuits: blade lift, moldboard tilt, circle shift, wheel lean, circle turn and articulation. Hydraulic system features include axial piston pump, pressure and flow compensated, variable displacement with high output for smooth multi-functioning. The pump drive shaft is equipped with Perma Lube U-joints.

Differential / Final drive

Make/Model is Volvo SR40. Single reduction final drive with an operator controlled lock/unlock differential. Rear axles are induction hardened, supported on double row spherical roller bearings.

Steering

Hydrostatic power front wheel steering incorporating two steering cylinders. Meets SAE J1511 OCT. 90 with optional secondary steering. Minimum turning radius using articulation, front axle steering, wheel lean and unlocked differential is 25'6" (7 772 mm). Steering arc is 72° and frame articulation angle is 22°. Articulation lock standard.

Articulation

Twin 4.5" (114 mm) hydraulic cylinders articulate the frame 22° right and left. Anti-drift lock valves are standard.