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Construction Equipment Rental in Hanover, Maryland

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Equipment Rental Hanover, Construction equipment rental Hanover, Construction Hanover, Heavy Equipment Rental Hanover.

Komatsu Wheel Loaders WA380-7
WA380-7 Wheel Loader

The Tier 4 interim WA380-7 will save you 10% on your fuel bill over the previous model. Two engine power modes, power and economy, let the operator match his work mode to the job at hand. The large capacity torque converter with enhanced lock-up gives the WA380-7 terrific digging power in the pile and climbing ability. SmartLoader Logic ensure that the WA380-7 works most efficiently under low demand conditions to ensure further energy and fuel savings.

Engine
Model Komatsu SAA6D107E-2*
Type Water-cooled, 4-cycle
Aspiration Turbo-charged, after-cooled, cooled EGR
Number of cylinders 6
Bore x stroke 4.21" x 4.88" 107 mm x 124 mm
Piston displacement 408 in3 6.69 ltr
Governor All-speed, electronic
Horsepower:
SAE J1995 / Gross 192 HP 143 kW
ISO 9249/SAE J1349 / Net 191 HP 142 kW
Rated rpm 2100 rpm
Fan drive method for radiator cooling Hydraulic
Fuel system Direct injection
Lubrication system:
Method Gear pump, force-lubrication
Filter Full-flow type
Air cleaner Dry type with double elements and dust evacuator, plus dust indicator
*EPA Tier 4 Interim and EU stage 3B emissions certified
Transmission
Torque converter 3-elements, 1-stage, 2-phase
Transmission Automatic, full-poweshift, counter-shaft type
Travel speed: (Measured with 23.5-25 tires) Forward Reverse
1st gear 4.1 mph
6.6 km/h
4.4 mph
7.1 km/h
2nd gear 7.3 mph
11.7 km/h
7.7 mph
12.4 km/h
2nd gear (Lock-up clutch ON) 7.7 mph
12.4 km/h
8.3 mph
13.3 km/h
3rd gear 13.0 mph
20.9 km/h
13.9 mph
22.3 km/h
3rd gear (Lock-up clutch ON) 14.0 mph
22.5 km/h
15.0 mph
24.1 km/h
4th gear 22.4 mph
36.1 km/h
24.0 mph
38.6 km/h
4th gear (Lock-up clutch ON) 24.9 mph
40.0 km/h
24.9 mph
40.0 km/h
Axles and Final Drives
Drive system Four-wheel drive
Front Fixed, semi-floating
Rear Center-pin support, semi-floating, 26° total oscillation
Reduction gear Spiral bevel gear
Differential gear Conventional type
Final reduction gear Planetary gear, single reduction
Brakes
Service brakes Hydraulically-actuated, wet disc brakes actuate on four wheels.
Parking brake Wet disc brake
Emergency brake Parking brake is commonly used
Steering System
Type Articulated type, fully-hydraulic power steering
Steering angle 35° (40° to max end stop)
Minimum turning radius at the center of outside tire 20'9" 6320 mm
Hydraulic System
Steering system:
Hydraulic pump Piston pump
Capacity at rated rpm 36.2 U.S. gal/min 137 ltr/min
Relief valve setting 3,555 psi 24.5 MPa / 250 kgf/cm2
Hydraulic cylinders:
Type Double-acting, piston type.
Number of cylinders 2
Bore x stroke 3.0" x 17.4" 75 mm x 442 mm
Loader control:
Hydraulic pump Gear type pump
Capacity at rated rpm 54.13 U.S. gal/min 204.9 ltr/min
Relief valve setting 4,550 psi 31.4 MPa / 320 kgf/cm2
Hydraulic cylinders:
Type Double-acting, piston type
Number of cylinders bore x stroke bore x stroke
Lift cylinder - 2 5.1" x 28.1" 130 mm x 713 mm
Bucket cylinder - 1 5.9" x 21.1" 150 mm x 535 mm
Control valve 2-spool type
Control positions:
Boom Raise, hold, lower, and float
Bucket Tilt-back, hold, and dump
Hydraulic cycle time (rated load in bucket):
Raise 5.9 sec
Dump 1.8 sec
Lower (Empty) 3.3 sec
Service Refill Capacities
Cooling system 14.4 U.S. gal 54.4 ltr
Fuel tank 79.3 U.S. gal 300 ltr
Engine 6.1 U.S. gal 23 ltr
Hydraulic system 37.5 U.S. gal 142 ltr
Axle (each front and rear) 10.6 U.S. gal 40 ltr
Torque converter and transmission 14.3 U.S. gal 54 ltr

Komatsu Wheel Loaders WA320-7
WA320-7 Wheel Loader

The WA320-7 marries a well proven hydrostatic drivetrain with Komatsu's industry leading Tier 4 interim engine technology that reduces fuel economy by up to 10%. The WA320-7 has a parallel lift boom with 10% more lift than the previous model and z-bar linkage for high breakout force for digging.

Engine
Model Komatsu SAA6D107E-2*
Type Water-cooled, 4-cycle
Aspiration Turbo-charged, after-cooled, cooled EGR
Number of cylinders 6
Bore x stroke 4.21" x 4.88" 107 mm x 124 mm
Piston displacement 408 in³ 6.69 ltr
Governor All-speed, electronic
Horsepower:
Gross - SAE J1995 170 HP 127 kW
Net - ISO 9249/SAE J1349 165 HP 123 kW
Rated rpm 2100 rpm
Max power - ISO 14396 @ 1900 rpm 173 HP 129 kW
Fan drive method for radiator cooling Hydraulic
Fuel system Direct injection
Lubrication system:
Method Gear pump, force-lubrication
Filter Full-flow type
Air cleaner Dry type with double elements and dust evacuator, plus dust indicator
*EPA Tier 4 Interim and EU stage 3B emissions certified
Transmission
Transmission Hydrostatic, 1 pump, 2 motors with speed range select
Travel speed Forward Reverse
1st 0.6 - 8.1 mph 0.6 - 8.1 mph
2nd 8.1 mph 8.1 mph
3rd 11.6 mph 11.6 mph
4th 23.6 mph 23.6 mph
Measured with 20.5-25 tires
Axles and Final Drives
Drive system Four-wheel drive
Front Fixed, semi-floating
Rear Center-pin support, semi-floating, 24° total oscillation
Reduction gear Spiral bevel gear
Differential gear Torque proportioning
Final reduction gear Planetary gear, single reduction
Brakes
Service brakes Hydraulically-actuated, wet disc brakes actuate on four wheels.
Parking brake Wet, multi-disc brake on transfer output shaft.
Emergency brake Parking brake is commonly used
Steering System
Type Articulated type, fully-hydraulic power steering
Steering angle 38.5° each direction (40° to max end stop)
Minimum turning radius at the center of outside tire 17'8" 5380 mm
Hydraulic System
Steering system:
Hydraulic pump Gear type pump
Capacity (at rated rpm) 29.1 U.S. gal/min 110 ltr/min
Relief valve setting 2,700 psi 18.6 MPa 190 kgf/cm²
Hydraulic cylinders:
Type Double-acting, piston type
Number of cylinders 2
Bore x stroke 2.8" x 17.8" 70 mm x 453 mm
Loader control:
Hydraulic pump Gear type pump
Capacity 20.6 U.S. gal/min 78 ltr/min
Relief valve setting 3,000 psi 20.6 MPa 210 kgf/cm²
Hydraulic cylinders:
Type Double-acting, piston type
Number of cylinders bore x stroke bore x stroke
Boom cylinder / 2 5.1" x 28.2" 130 mm x 717 mm
Bucket cylinder / 1 5.9" x 19.3" 150 mm x 491 mm
Control valve 3-spool type
Control positions:
Boom Raise, hold, lower, and float
Bucket Tilt-back, hold, and dump
Hydraulic cycle time (rated load in bucket):
Raise 5.7 sec
Dump 1.6 sec
Lower (Empty) 3.3 sec
Service Refill Capacities
Cooling system 6.1 U.S. gal 23 ltr
Fuel tank 64.7 U.S. gal 245 ltr
Engine 6.1 U.S. gal 23 ltr
Hydraulic system 23.7 U.S. gal 90 ltr
Axle front 7.1 U.S. gal 27 ltr
Axle rear 6.7 U.S. gal 25.5 ltr
Transfer case 1.5 U.S. gal 5.8 ltr

 Komatsu Dozer D155AX-7 WH
D155AX-7 WH
The D155AX-7WH is a dozer that bridges the gap between contractor site prep dozers and large contractor production/mining dozers. The Tier 4 interim D155AX-7WH has the precise and responsive hydraulic control and smooth turning of hydrostatic steering of smaller dozers for grading and big dozer features like a lock-up torque converter, Unique, high production Sigma dozer blade and K-bogie oscillating undercarriage.

Engine
Model Komatsu SAA6D140E-6*
Type 4-cycle, water-cooled, direct injection
Aspiration Komatsu variable geometry turbocharged, air-to-air aftercooled, cooled EGR
Number of cylinders 6
Bore x stroke 5.51" x 6.50" 140 mm x 165 mm
Piston displacement 930 in³ 15.24 ltr
Governor All-speed and mid-range, electronic
Horsepower :
SAE J1995 - Gross 360 HP 268 kW
ISO 9249 / SAE J1349 - Net 354 HP 264 kW
Rated rpm 1900 rpm
Fan drive type Hydraulic
Lubrication system :
Method Gear pump, force lubrication
Filter Full-flow
*EPA Tier 4 Interim and EU stage 3B emissions certified
TORQFLOW Transmission
Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 2-phase, torque converter with lockup clutch, and a planetary gear, multiple-disc clutch transmission which is electronically controlled, hydraulically actuated and force-lubricated for optimum heat dissipation. Shift lock lever and neutral safety switch.
Travel speed:
1st Gear forward 2.4 mph 3.8 km/h
1st Gear reverse 2.9 mph 4.6 km/h
2nd Gear forward 3.5 mph 5.6 km/h
2nd Gear reverse 4.2 mph 6.8 km/h
3rd L Gear forward 4.7 mph 7.5 km/h
3rd L Gear reverse 5.7 mph 9.2 km/h
3rd Gear forward 7.2 mph 11.6 km/h
3rd Gear reverse 8.7 mph 14.0 km/h
Final Drive
Double-reduction, spur and planetary final drives increase tractive effort. Segmented sprockets are bolt-on for easy inthe- field replacement.
Steering System
Palm Command Control System (PCCS) lever controls for all directional movements. Pushing the PCCS lever forward results in forward machine travel, while pulling it rearward reverses the machine. Simply tilt the PCCS lever to the left to make a left turn. Tilt it to the right for a right turn.

Hydrostatic Steering System (HSS) is powered by steering planetary units and an independent hydraulic pump and motor. Counter-rotation turns are also available. Wet, multiple-disc, pedal-controlled service brakes are spring-actuated and hydraulically released. Gearshift lock lever also applies parking brakes.

Minimum turning radius 7'0" 2.14 m
Undercarriage
K-Bogie undercarriage
Lubricated track rollers are resiliently mounted on the track frame with a bogie suspension system whose oscillating motion is cushioned by rubber pads.Track shoes
Lubricated tracks. Unique dust seals for preventing entry of foreign abrasives into pin-to-bushing clearance for extended service. Track tension easily adjusted with grease gun.
Suspension Oscillation-type with equalizer bar and forward mounted pivot shafts
Track roller frame Monocoque, high-tensilestrength steel construction
Rollers and idlers Lubricated
Number of shoes (each side) 42
Grouser height 3.1" 80 mm
Shoe width (standard/maximum) 610 mm / 710 mm 24" / 28"
Ground contact area 6,193 in² 39955 cm²
Ground pressure (tractor only) 11.9 psi 82.4 kPa / 0.84 kg/cm²
Number of track rollers (each side) 7
Number of carrier rollers (each side) 2
Service Refill Capacities
Fuel tank 165 U.S. gal 625 ltr
Coolant 27.3 U.S. gal 103.5 ltr
Engine oil 9.8 U.S. gal 37 ltr
Damper 0.4 U.S. gal 1.5 ltr
Hydraulic oil 24.2 U.S. gal 91.5 ltr
Transmission, bevel gear, and steering system 23.8 U.S. gal 90 ltr
Final drive (each side) 8.2 U.S. gal 31 ltr
Operating Weight
Tractor weight
Including rated capacity of lubricant, coolant, full fuel tank, operator and standard equipment.Operating weight
Including strengthened SIGMADOZER®, giant ripper, ROPS cab, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank.
Tractor weight 68,350 lb 31000 kg
Operating weight 87,100 lb 39500 kg
Ground pressure 15.4 psi 106 kPa / 1.08 kg/cm²
Hydraulic System
Closed-center load sensing system (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.

Hydraulic control unit:
All spool control valves externally mounted beside the hydraulic tank. Variable piston pump with capacity (discharge flow) of 325 ltr/min 85.9 U.S. gal/min for steering and 180 ltr/min 47.6 U.S. gal/min for implemented at rated engine rpm.

Relief valve setting
. . . for implement 27.5 MPa 280 kg/cm² 3,980 psi
. . . for steering 38.2 MPa 390 kg/cm² 5,550 psi

Control valves:
Spool control valve for SIGMADOZER®, Semi-U tilt dozer and Full-U
Positions: Blade lift Raise, hold, lower, and float
Blade tilt Right, hold, and left
Additional control valve required for variable digging angle multi-shank ripper and giant ripper.
Positions: Ripper lift Raise, hold, and lower
Ripper tilt Increase, hold, and decrease
Hydraulic cylinders Double-acting, piston
Number of cylinders Bore Bore
Blade Lift / 2 4.33" 110 mm
Blade Tilt (Dual tilt) / 2 6.30" 160 mm
Blade Tilt (Single Tilt) / 1 6.30" 160 mm
Ripper Lift 7.09" 180 mm
Ripper Tilt / 1 7.87" 200 mm
Hydraulic oil capacity (refill):
SIGMADOZER 22.5 U.S. gal 85 ltr
Semi-U dozer 22.5 U.S. gal 85 ltr
Full-U dozer 22.5 U.S. gal 85 ltr
Ripper equipment (additional volume):
Multi-shank ripper 9.8 U.S. gal 37 ltr
Giant ripper 9.8 U.S. gal 37 ltr

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