KOMATSU HD325-8
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Year
2024
Manufacturer
Komastu
Model
HD325-8
Condition
New
Performance matched with comfort
Designed for efficient and highly productive cycle times, the HD325-8 will become your workhorse on the job. Built with MacPherson-strut-type front suspension, this machine delivers a tight turning radius and offers excellent maneuverability and operator comfort.
- Up to 9% reduction in fuel consumption*
- Increased horsepower by 3.2%*
- Enhanced serviceability*
- Improved operator environment*
*Compared to HD325-7
Engine
| Model | Komatsu SAA6D140E-7* |
| Type | Water-cooled, 4-cycle |
| Aspiration | Variable geometry, turbo-charged, air-to-air after-cooled, cooled Exhaust Gas Recirculation (EGR) |
| Number of cylinders | 6 |
| Bore x stroke | 5.5 x 6.5 in |
| Piston displacement | 930 in³ |
| Horsepower: | |
| SAE J1995 | 518 HP |
| ISO 9249 /SAE J1349 | 514 HP |
| Rated rpm | 2,000 rpm |
| Fan drive type | Hydraulic |
| Maximum torque | 1,600 lbs.-ft. |
| Fuel system | Direct injection |
| Governor | Electronically controlled |
| Lubrication system: | |
| Method | Gear pump, force-lubrication |
| Filter | Full-flow type |
| Air cleaner | Dry type with double elements and precleaner, plus dust indicator |
*EPA Tier 4 Final emissions certified
Transmission
| Torque converter | Three-elements, one-stage, two-phase |
| Transmission | Full-automatic, planetary type |
| Speed range | Seven speeds forward and one reverse |
| Lockup clutch | Wet, single-disk clutch |
| Forward | Torque converter drive in 1st gear, direct drive in 1st lockup and all higher gears |
| Reverse | Torque converter drive |
| Shift control | Electronic shift control with automatic clutch modulation in all gears |
| Maximum travel speed | 42.3 mph |
Axles
| Rear axle | Full-floating |
| Final drive | Planetary gear |
| Ratios: | |
| Differential | 3.125 |
| Planetary | 4.737 |
Suspension System
Independent, hydropneumatic suspension cylinder with fixed throttle to dampen vibration
| Effective cylinder stroke (front suspension) | 9.8 in |
| Rear axle oscillation: | |
| Oil stopper | 6.8° |
| Mechanical stopper | 8.1° |
Steering System
| Type | Fully hydraulic power steering with two double-acting cylinder |
| Supplementary steering | Automatic/manual control (meets ISO 5010, SAE J1511 and SAE J53) |
| Minimum turning radius | 23 ft. 7 in |
| Maximum steering angle | 43° |
Cab
Dimensions comply with ISO 3471 and SAE J1040-1988c ROPS (Roll-Over Protective Structure) standards.
Brakes
Brakes meet ISO 3450 and SAE 1473 standards
| Service brakes: | |
| Front | Dry type, single disc type full hydraulic |
| Rear | Wet type, multiple disc type, full hydraulic |
| Parking brake | Dry type, single disc type, spring operated, hydraulic releasing type |
| Retarder | Oil-cooled, multiple-disc type |
| Secondary brake | Manual pedal operation When hydraulic pressure drops below the rated level, parking brake is automatically actuated |
| Brake surface: | |
| Front | 150 in2 |
| Rear | 7,881 in2 |
Main frame
Type
Box-sectioned structure
Body
| Capacity: | |
| Struck | 22.1 yd3 |
| Heaped (2:1 ,SAE) | 31.4 yd3 |
| Payload, maximum | 40.3 US tons |
| Material (high-tensile-strength steel) | 184,860 psi |
| Structure | V-shape body |
| Material thickness: | |
| Bottom | 0.63 in |
| Front | 0.47 in |
| Sides | 0.35 in |
| Target area (inside length x width) | 18 ft. 1 in x 11 ft. 1 in |
| Dumping angle | 48° |
| Height at full dump | 26 ft. 4 in |
| Heating | Exhaust heating |
Hydraulic System
| Hoist cylinder | Twin, 2-stage telescopic type |
| Relief pressure | 2,990 psi |
| Hoist time | 10 s |
Weight (approximate)
| Empty weight | 75,354 lbs. |
| Max. gross vehicle weight: | |
| Standard tire | 155,999 lbs. |
| Not to exceed max. gross vehicle weight, including options, fuel | |
| Weight distribution: | |
| Empty: Front axle | 56.5% |
| Rear axle | 43.5% |
| Loaded: Front axle | 33.7% |
| Rear axle | 66.3% |
Tires
Standard tire: 18.00 R33
Service Refill Capacities
| Fuel tank | 120.5 US gal |
| DEF tank | 9.2 US gal |
| Engine oil | 13.2 US gal |
| Torque converter, transmission and retarder cooling | 29.6 US gal |
| Differential | 11.9 US gal |
| Final drive (left and right) | 7.9 US gal |
| Hydraulic system | 31.7 US gal |
| Suspension (total) | 11.7 US gal |
ENGINE:
- Air cleaner, dry type, two stage
- Automatic Idling Setting System (AISS)
- Auto Idle Shutdown
- Electric priming fuel pump
- Engine secondary stop switch
- Engine, Komatsu SAA6D140E-7, six cylinder, turbocharged, air/air aftercooled, EGR cooled, diesel; Gross HP (SAE J1995): 518 HP / 2000 RPM; Net HP (ISO
- 9249/SAE J1349): 514 HP / 2000 RPM
- Fan, hydraulically driven, reversible
- Komatsu Diesel Particulate Filter (KDPF)
- Starting aid, intake manifold pre-heater
- Variable geometry turbocharger
ELECTRICAL SYSTEM:
- Alternator, 140 ampere , 24 volt
- Back-up alarm
- Batteries, 2 x 12 volt 160 Ah, 910 CCA
- Battery disconnect switch
- Horn, electric
- Lights
- Back-up light, rear
- Engine compartment light
- Head lights, halogen (high and low beam)
- Side working lights, LH and RH
- Stop and tail lights (LED)
- Turn signal, (two front, two rear)(LED) with hazard switch - Starting motors, 11.0 kW direct electric 24V
POWER TRAIN AND CONTROLS:
- Seven-speed transmission, fully automatic with K-ATOMiCS
- Komatsu Traction Control System (KTCS)
- Front brake, dry type, single disc type, full hydraulic
- Parking brake, dry type, single disc type, spring operated, hydraulic releasing type
- Rear brake, Wet type, multiple disc type, full hydraulic
- Skip shift function
OPERATOR ENVIRONMENT:
- Cab, with built in ROPS/FOPS
- 12 Volt outlet (qty two)
- Automatic climate control system with cab pressurization
- Auxiliary steering system
- Beverage holder (qty two)
- Body hoist control, electric
- Cigarette lighter and ashtray
- Dome light and reading light
- Door, LH and RH
- Lunch box tray and storage trays
- Machine monitor with seven-inch color LCD display
- Operator seat, air suspension type, heated, ventilated, with three-point retractable seat belt 3" wide lap belt and 2" wide, high visibility shoulder belt)
- Power windows, LH and RH
- Radio, AM/FM with aux terminal
- Rearview mirror, outside cab mount, heated (LH & RH)
- Rearview monitoring system with dedicated monitor
- Steering wheel, tilt and telescopic
- Sun visor (qty two)
- Tinted glass (front, laminated glass)
- Trainer seat, folding, with two-point retractable seat belt (3" wide)
- Wiper/washer, front, with intermittent setting
GUARD AND COVER GROUP:
- Catwalk with handrails
- Deck rail
- Driveline guards, front & rear
- Engine underguard
- Exhaust thermal guard
- Front handrail, over radiator
BODY:
- Alternative exhaust configuration (RH side discharge)
- Body
- Body liner
TIRES (18.00 R33):
- Michelin XHAUL
- Michelin X-Quarry
- Michelin XTRACTION
- Bridgestone VELS
SUPPORT YOU CAN COUNT ON
FINANCING
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WARRANTY PROGRAMS
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