Mst 644plus backhoe loader

Robustness and power in one; MST 644 Plus

The MST 644 PLUS has been developed to provide maximum performance in heavy-duty and demanding conditions for backhoe loader applications. It offers impressive work efficiency with high lifting capacity and fast cycle times, while maintaining superior durability even in harsh conditions.

EFFICIENT ENGINE:MAXIMUM POWER EVEN AT LOW SPEEDS

The MST 644 Plus Backhoe is powered by a Perkins 904J-E36TA diesel STAGE V engine. Turbo and After-Cooler features keep the engine running strong and high performance even at low speeds.

POWERFUL BOOM & BUCKET:HIGH BREAKING STRENGTH

The 644 PLUS features a robust boom and bucket design that delivers superior performance on tough jobs. Heavy-duty trencher buckets offer solutions to suit your needs in digging, loading and lifting.

PUMP OPTIONS:POWERFUL PUMP OPTIONS TO SUIT YOUR NEEDS

A HUSCO pump is offered as standard, while a Rexroth Piston type pump can be selected as an option. Simplify your field work with the powerful pump options of the MST 644 PLUS.

Category:
ENGINE
Brand PERKINS
Model Perkins 904J-E36TA
Type Diesel
Number of Cylinders 4
Diameter & Stork ø 98mm x 120mm
Volume 3621 cc
Maximum Power 100 HP (74,4 kW) @ 2400 rpm
Max. Torque 430Nm (1500 rpm)
Emission Class EU Stage V / U.S. EPA Tier 4 Final
TRANSMISSION
Heavy duty Auto Powershift transmission
4 forward 4 reverse gears
Max. road speed 40 km/h
Hydraulic steering system
2 or 4-wheel drive, electrically controlled
2.64/1 stall ratio torque converter
Transmission oil cooler
ACTS
Heavy-duty axles
Total 16 degrees of oscillation on the front axle
2 or 4-wheel drive
Planetary type external reduction
LSD (Limited Slip Differential) feature on rear axles
HYDRAULIC SYSTEM
Heavy-duty axles
Total 16 degrees of oscillation on the front axle
2 or 4-wheel drive
Planetary type external reduction
LSD (Limited Slip Differential) feature on rear axles
LOADER PERFORMANCE
Open Type Bucket Capacity 1,1 m³
Bucket Breakout Force 7734 kgf
Arm Breakout Force 5905 kgf
Maximum Lifting Capacity 3200 kg
EXCAVATOR PERFORMANCE TB ( Open) TB ( Closed)
Rear Bucket Capacity 0,17 m³ 0,17 m³
Bucket Breaking Force 6424 kgf 6424 kgf
Arm Breakout Force 2506 kgf 3461 kgf