Mecanica

60XT
Skid Steer
ENGINE

POWERTRAIN

HYDRAULIC SYSTEM

Model ..................... Case 4-390 diesel
Type..... 4-stroke, naturally aspirated
Cylinders............................................ 4
Bore/Stroke ................... 4.02” x 4.72”
(102 x 120 mm)
Displacement ............... 239 in3 (3.9 L)
Fuel injection............................. Direct
Fuel....................................... #2 Diesel
Fuel filter.................... In-line strainer
Air intake .......................... Cross-flow
Cooling ..................................... Liquid
Engine speeds (rpm)
High idle – no load........... 2450+50
Rated – full load ...................... 2200
Low idle...................................... 950
Horsepower per SAE J1349
Gross...... 75 (55.9 kW) @ 2200 rpmNet ............ 69 (51 kW) @ 2200 rpm
Peak torque
@ 1200 rpm ...... 193 lb·ft (262 N·m)

Drive pump .... Tandem, axial piston
hydrostatic transmission
w/integral charge pump driven
directly off engine flywheel
Pump to engine ratio ................. 1:1
Displacement ... 0 to 2.81 in3 (46 cc)
Pump flow @ rated rpm... 26.7 gpm
(101 L/min)
Flow........................... Bi-directionalCharge pressure ... 400 psi (27.6 bar)
System relief ...................... 5004 psi
(345 bar)
Controls ...................................... Servo
Drive motors ..... Fixed displacement
high torque, low-speed gerotor
motor with shuttle valve
Maximum displacement.... 30.7 in3
(503 cc)
Speed @ rated engine rpm
@ max displacement....... 183 rpm
Torque @ max displacement
and reliefpressure........ 1,752 lb·ft
(2383 N·m)
Travel speed .......................... 7.0 mph
(11.3 km/h)
Final drive............... Single-reduction
chain drive
Drive chain
Size.............................. ASA #100HS
Tensile strength ................ 30,000 lb
(133 447 N)
Axles...................... One-piece, forged
induction-hardened
high carbon steel
Torque @ rated rpm ....... 4,906 lb·ft(6651 N·m)
Diameter .................... 2.0” (51 mm)
Length .................. 14.61” (371 mm)
Parking brakes ...................... Pin lock
Engagement ............. Raise seat bar

Standard equipment
Pump ............................ Gear pump
Displacement ... 2.32 in3/rev (38 cc)
Pump flow @ rated engine rpm
Total ......... 21.0 gpm (79.4 L/min)
Loader control valve..........2-spool
open-center series with
power beyond port
Relief pressure.... 3000 psi (207 bar)
Port relief pressures
#1A Lower......... 3800 psi (262 bar)
#1B Raise ........... 3100 psi (214 bar)
#2A Rollback..... 3800 psi (262 bar)
#2B Dump ......... 3100 psi (214 bar)
#3A & B Auxiliary ................. None
Hydraulic lines
Tubing ......................... 37° JIC Flare
Loop hoses................. SAE 100 R12
Swing-out hydraulic oil cooler
Core type ............. Four row in-line
Hydraulic filters ................. 6-micron,
spin-on replaceable element
for the return line with
warning indicator
Filter capacity
Return line filter ....... 0.2 oz (27 g)

ENGINE COOLING
Radiator
Core type ................... Square wave
serpentine
Core size area.... 165.9 in2 (.107 m2)
Rowsof tubes ................................ 5
Cap pressure ..... 14.9 psi (103 kPa)
Fan
Diameter ................ 20.4” (518 mm)
Ratio .......................................... 1.1:1
Water pump
Style ..................................... Integral
Flow............... 45 gpm (170 L/min)
Engine lubrication
Pump....... Deep sump plate cooler
with pressurized
under-piston nozzles
Pumpoperating angle ratings
Side-to-side.................... Rated 45°
Fore and aft ................... Rated 45°
Oil filtration ............... Replaceable,
full-flow cartridge

60XT Page 1 of 4

INSTRUMENTATION

OPERATOR ENVIRONMENT

OPERATING WEIGHTS

Digital hourmeter
Fuel level LED bar graph
Warning lights
Fuel level
Voltage
Engine coolant temperature
Engine oil pressure
Air...