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Dozer Series D37PXi-23
Features
Standard Intelligent Machine Control
Standard factory installed integrated 3D GNSS intelligent machine control system.
Improved Machine Control
Up to 9% more efficient dozer operation than comparable aftermarket machine control systems in start to finish grading tests.
Factory Installed Machine Control Components
Machine control components are factory installed and designed as an integral part of the base machine for improved durability.
Komatsu Quality
Machine control components and system validated to Komatsu’s rigorous quality & durability standards.
Industry Standard Compatibility
Machine control system makes use of common industry design data file norms and supports typical base station communication.
Simple Operator Interface
Simple touch screen control box with multi-color customizable display.
3D GNSS Machine Control Standard
All on-machine components standard including control box, GNSS receiver/ radio, GNSS antenna, and enhanced inertial measurement unit sensor.
Finish Grade Performance
Enhanced sensor package and intelligent logic provides for finish grade accuracy in an integrated system without traditional blade mounted sensors.
Stroke Sensing Hydraulic Cylinders
Robust stroke sensing hydraulic cylinders employee proven Komatsu sensor technologies for accurate finish grade performance.
Enhanced Inertial Measurement Unit (IMU+)
Chassis mounted enhanced inertial measurement unit (IMU+) and intelligent logic provides for finish grade accuracy without blade mounted sensors.
Cab Top GNSS Antenna
No blade mounted GPS antennas, cables to worry about damaging with cab top GNSS antenna.
Automatic Dozing From Start To Finish
Load control intelligence controls blade elevation to improve productivity and minimize track slip by adjusting blade load. 1.0' from grade or 0.1' from grade – you can run in auto mode.
Intelligent Dozing Mode Settings
Operators are able to select between 4 distinct machine control operating modes to optimize performance to the application whether cutting, spreading, or other.
Operator Selectable Load Settings
Machine control load settings can be adjusted between presets to tailor response to material conditions.
Specifications
| Engine | ||
| Model | Komatsu SAA4D95LE-6* | |
| Type | 4-cycle, water-cooled, direct injection | |
| Aspiration | Variable flow, turbocharged, air-to-air aftercooled | |
| Number of cylinders | 4 | |
| Bore x stroke | 3.75" x 4.52" | 95 mm x 115 mm |
| Piston displacement | 199 in³ | 3.26 ltr |
| Governor | All-speed, electronic | |
| Horsepower: | ||
| SAE J1995 - Gross | 91 HP | 68 kW |
| ISO 9249 / SAE J1349 - Net | 89 HP | 66 kW |
| Rated rpm | 2200 rpm | |
| Fan drive type | Hydraulic | |
| Lubrication system: | ||
| Method | Gear pump, force lubrication | |
| Filter | Full-flow | |
| Hydrostatic Transmission | ||
| Dual-path, hydrostatic transmission provides infinite speed changes up to 5.3 km/h / 8.5 mph. The variable capacity travel motors allow the operator to select the optimum speed to match specific jobs. Travel control lock lever and neutral switch. | ||
| Travel speed | ||
| (quick shift mode)* | Forward | Reverse |
| 1st | 0–2.1 mph | 0–2.5 mph |
| 0–3.4 km/h | 0–4.1 km/h | |
| 2nd | 0–3.5 mph | 0–4.0 mph |
| 0–5.6 km/h | 0–6.5 km/h | |
| 3rd | 0–5.3 mph | 0–5.3 mph |
| 0–8.5 km/h | 0–8.5 km/h | |
| Travel speed | ||
| (variable mode) | Forward | Reverse |
| 0–5.3 mph | 0–5.3 mph | |
| 0–8.5 km/h | 0–8.5 km/h | |
| Final Drive | ||
| In-shoe mounted axial piston type travel motors with integrated twostage planetary gear reduction. Compact in-shoe mount reduces risk of damaged by debris. Bolt-on sprocket ring. | ||
| Steering System | ||
| Palm Command Control System (PCCS) joystick control for all directional movements. Pushing the joystick forward results in forward machine travel, while pulling it rearward reverses the machine. Simply tilt the joystick to the left or right to make a turn. Tilting the joystick fully to the left or right activates counter-rotation. | ||
| Hydrostatic Transmission (HST) provides smooth powerful turns. Fully electronic control enables smooth control that can be adjusted in the monitor. The PCCS utilizes shift buttons to increase and decrease speed. | ||
| Minimum turning radius* | 91" | 2.3 m |
| *As measured by track marks on the ground at pivot turn. | ||
| Undercarriage | ||
| Suspension | Rigid type | |
| Track roller frame | Monocoque, large section, durable construction | |
| Rollers and idlers | Lubricated track rollers | |
| Sealed and lubricated track | Track tension is easily adjusted with grease gun. | |
| Tractor for inside mounted blade (PAT) | ||
| Number of track rollers (each side) | 600% | |
| Number of carrier rollers (each side) | 1 | |
| Type of shoes (standard) | Single grouser | |
| Number of shoes (each side) | 41 | |
| Grouser height | 1.9" | 47 mm |
| Shoe width (standard) | 24" | 600 mm |
| Ground contact area | 4,148 in² | 26760 cm² |
| Ground pressure | ||
| (with standard shoe) | 4.71 psi | 0.33 kgf/cm² / 32.5 kPa |
| Track gauge | 5'7" | 1710 mm |
| Length of track on ground | 7'4" | 2230 mm |
| Link pitch | 6.1" | 154 mm |
| Service Refill Capacities | ||
| Coolant | 9.0 U.S. gal | 34 ltr |
| Fuel tank | 50.2 U.S. gal | 190 ltr |
| Engine oil | 2.9 U.S. gal | 11 ltr |
| Hydraulic tank | 16.9 U.S. gal | 64 ltr |
| Final drive (each side) | 0.9 U.S. gal | 3.5 ltr |
| Operating Weight APROXIMATE | ||
| Tractor weight: Including ROPS cab, U frame for power angle tilt dozer, rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment. | 17,064 lb | 7740 kg |
| Operating weight: Operating weight: Including power angle tilt dozer, ROPS cab, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank. | 19,533 lb | 8860 kg |
| 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 remote to the hydraulic tank. Piston-type hydraulic pump with capacity (discharge flow) of 99 ltr/min / 26 U.S. gal/min at rated engine rpm. | ||
| Relief valve setting | 3,974 psi | 27.4 MPa / 280 kg/cm² |
| Hydraulic cylinders | Double-acting, piston type | |
| Number of cylinders: | Bore | Bore |
| Blade lift / 2 | 3.0" | 75 mm |
| Blade tilt / 1 | 3.5" | 90 mm |
| Blade angle / 2 | 3.1" | 80 mm |
| Blade pitch | 1 adjustable linkage | |
| Hydraulic oil capacity (refilling): | ||
| Power angle tilt dozer | 15.9 U.S. gal | 60 ltr |
| Control valves: | ||
| 3-spool control valve for power angle tilt dozer. | ||
| Positions: | ||
| Blade lift | Raise, hold, lower, and float | |
| Blade tilt | Right, hold, and left | |
| Blade angle | Right, hold, and left | |
| Additional control valve required for ripper. | ||
| Positions: | ||
| Ripper lift | Raise, hold and lower |
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