The Komatsu D155AX-7 Waste Handler is engineered to excel in demanding landfill environments, delivering superior performance, durability, and efficiency. This robust machine is equipped with specialized features and attachments designed to handle the unique challenges of waste management operations.
Designed to increase dozing capacity, these blades efficiently manage large volumes of waste, reducing material spillage and ensuring consistent performance. With reinforced components, the undercarriage is protected from damage caused by debris, extending the machine’s service life and reducing maintenance costs. Equipped with a high-capacity cooling system, the D155AX-7 ensures optimal engine temperature even in the most challenging environments, preventing overheating and maintaining efficiency.
Komatsu D155AX-7 WH Engine Specs
| 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) |
| Horsepower (ISO 9249 / SAE J1349) | Net 354 HP (264 kW) |
| Rated rpm | 1900 rpm |
| Fan drive type | Hydraulic |
| Lubrication system method | Gear pump, force lubrication |
| Lubrication system filter | Full-flow |
Komatsu D155AX-7 WH Weight & Dimensions
| Operating Weight | 91,515 lbs (41,511 kg) |
| Width (with blade) | 13’4″ (4060 mm) |
| Height from floor | 12’8″ (3868 mm) |
| Length | 24’6″ (7465 mm) |
| Cab Length | 5’8″ (1735 mm) |
| Cab Width | 5’9″ (1755 mm) |
| Cab Height from floor | 5’4″ (1635 mm) |
Komatsu D155AX-7 WH Transmission Specs
| Travel speed Forward 1st | 2.4 mph (3.8 km/h) |
| Travel speed Reverse 1st | 2.9 mph (4.6 km/h) |
| Travel speed Forward 2nd | 3.5 mph (5.6 km/h) |
| Travel speed Reverse 2nd | 4.2 mph (6.8 km/h) |
| Travel speed Forward 3rd L | 4.7 mph (7.5 km/h) |
| Travel speed Reverse 3rd L | 5.7 mph (9.2 km/h) |
| Travel speed Forward 3rd | 7.2 mph (11.6 km/h) |
| Travel speed Reverse 3rd | 8.7 mph (14.0 km/h) |
Komatsu D155AX-7 WH Undercarriage
| Suspension | Oscillation-type with equalizer bar and forward mounted pivot shafts |
| Track roller frame | Monocoque, high-tensile-strength steel construction |
| Rollers and idlers | Lubricated |
| Number of shoes (each side) | 42 |
| Grouser height | 3.1″ (80 mm) |
| Shoe width (standard/maximum) | 24″ / 28″ (610 mm / 710 mm) |
| 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 |
Komatsu D155AX-7 WH Service Refill Capacities
| Fuel tank | 165 gal (625 ltr) |
| Coolant | 27.3 gal (103.5 ltr) |
| Engine oil | 9.8 gal (37 ltr) |
| Damper | 0.4 gal (1.5 ltr) |
| Hydraulic oil | 24.2 gal (91.5 ltr) |
| Transmission, bevel gear, and steering system | 23.8 gal (90 ltr) |
| Final drive (each side) | 8.2 gal (31 ltr) |
Komatsu D155AX-7 WH Hydraulic Specs
| Relief valve setting for implement | 3,980 psi (27.5 MPa, 280 kg/cm²) |
| Relief valve setting for steering | 5,550 psi (38.2 MPa, 390 kg/cm²) |
| Hydraulic oil capacity (refill): SIGMADOZER | 22.5 U.S. gal (85 ltr) |
| Hydraulic oil capacity (refill): Semi-U dozer | 22.5 U.S. gal (85 ltr) |
| Hydraulic oil capacity (refill): Full-U dozer | 22.5 U.S. gal (85 ltr) |
| Ripper equipment (additional volume): Multi-shank ripper | 9.8 U.S. gal (37 ltr) |
| Ripper equipment (additional volume): Giant ripper | 9.8 U.S. gal (37 ltr) |
| Blade lift cylinders number and bore | 2 x 4.33″ (110 mm) |
| Blade tilt (Dual tilt) cylinders number and bore | 2 x 6.30″ (160 mm) |
| Blade tilt (Single tilt) cylinders number and bore | 1 x 6.30″ (160 mm) |
| Ripper lift cylinders number and bore | 1 x 7.09″ (180 mm) |
| Ripper tilt cylinders number and bore | 1 x 7.87″ (200 mm) |
Komatsu D155AX-7 WH Dozer Equipment
| Blade with Trash Rack Overall Length with Dozer | 20’4″ (6205 mm) |
|---|---|
| Blade Capacity | 26.8 yd³ (20.5 m³) |
| Blade Length x Height | 13’4″ x 8’6″ (4060 mm x 2583 mm) |
| Max. Lift Above Ground | 4’5″ (1340 mm) |
| Max. Drop Below Ground | 2’5″ (730 mm) |
| Max. Tilt Adjustment | 3’0″ (920 mm) |
| Additional Weight | 13,030 lb (5910 kg) |
| SIGMADOZER* Blade with Trash Rack Overall Length with Dozer | 22’0″ (6695 mm) |
| Blade Capacity | 33.2 yd³ (25.4 m³) |
| Blade Length x Height | 14’0″ x 8’6″ (4260 mm x 2583 mm) |
| Max. Lift Above Ground | 4’5″ (1345 mm) |
| Max. Drop Below Ground | 2’1″ (630 mm) |
| Max. Tilt Adjustment | 3’2″ (970 mm) |
| Additional Weight | 13,536 lb (6140 kg) |
| Semi-U Dozer* Blade with Trash Rack Overall Length with Dozer | 20’7″ (6270 mm) |
| Blade Capacity | 26.8 yd³ (20.5 m³) |
| Blade Length x Height | 13’7″ x 8’6″ (4130 mm x 2583 mm) |
| Max. Lift Above Ground | 4’5″ (1345 mm) |
| Max. Drop Below Ground | 2’1″ (630 mm) |
| Max. Tilt Adjustment | 3’0″ (953 mm) |
| Additional Weight | 12,060 lb (5470 kg) |
This comprehensive breakdown ensures that all specifications of the Komatsu D155AX-7 Waste Handler are clearly outlined, making it easy to understand the machine’s capabilities and features.
Protective guarding shields critical components, such as hydraulic and fuel tanks, from debris and impacts, ensuring the machine remains operational in harsh conditions. The spacious cab is designed for maximum comfort and visibility, featuring advanced air filtration systems to keep the operator safe from dust and pollutants.
The Komatsu engine provides reliable power and fuel efficiency, optimized for the rigorous demands of waste handling operations. With its blend of power, protection, and precision, the Komatsu D155AX-7 Waste Handler is an invaluable asset for landfill operations, delivering enhanced productivity and reliability in the toughest environments.
