PRODUCT FOCUS
standard windscreen rock guard. Reverse
camera, heavy-duty undercarriage with
roller protection, hydraulic hammer lines,
nine spotlights for 24-hour operation,
SmartLink telematics (which allows
for monitoring of the machine via a
cell phone), best-in-class cab with air
suspension seat, air conditioning, cooler
glove box, and radio–MP3 player.
Also standard is Maximum’s
24-month/5 000-hour warranty and
1 000-hour service plan.
The first HMK 490 LC HD has
already been delivered to a diamond
mining operation.
As the HMK 490 LC HD comes
standard with auxiliary hydraulic lines,
any hydraulic attachments such as vibro
rippers, hammers, or crusher buckets
can be fitted.
And with Maximum’s 14-year history in
hammers and attachments, they are best
Maximum’s VR50 – vibro ripper
attachment
The launch of Maximum Equipment’s flagship 51 tonne excavator makes the HMK
490 LC HD a formidable entrant into the mining industry.
Model
Isuzu AH-6UZ1X
Water-cooled, 4 cycle, 6 cylinders, line type, direct injection,
turbocharger, intercooler, diesel engine
Power
348 HP / 1950rpm / SAE J1349
Max. torque
1400Nm / 1500rpm
Displacement
9839cc
Bore and stroke 120mm × 145mm
Emission class
FAZ III-A (Tier III)*
Type
*This new engine complies with the emission regulations, US EPA Tier III and EU Stage III-A
Main pump
Type
Max. flow
Relief valves
Attachment
Cylinders
Main boom
Bucket cylinder
www.plantonline.co.za
TECHNICAL DATA: HMK 490 LC HD EXCAVATOR
X type lower frame construction
pentagon box type chassis
Shoe
Double grouser
No. of shoes
2 × 53
No. of upper rollers 2 × 2
No. of lower rollers 2 × 9
Hydraulic spring
Track tensioning
tensioning
Double variable displacement axial piston pumps
2 × 376ℓ/min Pilot pump Gear type, 29ℓ/min
320kgf/cm 2
Travel 350kgf/cm 2 Pilot 40kgf/cm 2 Power boost 350kgf/cm 2
2 × 170 × 115 × 1 650mm
1 × 170 × 115 × 1 335mm
Stick cylinder
Swing
300kgf/cm 2
1 × 190 × 130 × 1 870mm
MARCH 2019
23