Case 1840 Skid Steer Specifications

The Case 1840 skid steer loader driveline system components: a 239 cu.in (3.9L) Case 4-390 four-cylinder direct injection liquid-cooled diesel engine with a rated power of hp (40 kW) and 1-speed hydrostatic transmission. The hydraulic system has a gear pump with a rated capacity 15.3 gal/min (57.9 l/min). The system relief pressure is 2300 psi (159 bar). The Case 1840 is equipped with single-reduction final drive, 80HT continuous roller chains, and 10x16.5 tires. The skid steer loader has a maximum lift height of 110.5" (2810 mm) to hinge pin and dump height of 84" (2130 mm). The rated operating capacity is 1400 lbs (635 kg), and tipping load is 2800 lbs (1270 kg).

Engine Specs

Engine Model .................. Case 4-390
Engine Type .................. 4-Stroke direct injection liquid-cooled diesel
Number of Cylinders .................. 4
Displacement, cu in (L) .................. 239 (3.90)
Engine Bore, in (mm) .................. 4.02 (102.0)
Engine Stroke, in (mm) .................. 4.72 (120.0)
Aspiration .................. Naturally aspirated
Rated Engine Power, hp (kW) .................. 54.0 (40.0)
Rated Engine Speed, rpm .................. 2000
Maximum Torque, Nm (ft-lb) .................. 243 (179)
Torque Speed, rpm.................. 1200
Compression Ratio .................. 17.0:1
Firing Order .................. 1-3-4-2
Fuel System .................. Injection pump
Governor Type .................. Mechanical flyweight
Lubricating System .................. Positive pressure
Cooling System .................. Pressurized
Air Cleaner Type .................. Dry type
Fuel Tank Capacity, gal (L) .................. 19.5 (73.8)
Oil Capacity, qts (L) .................. 11.0 (10.4)
Coolant Capacity, qts (L) .................. 18.0 (17.0)
Electrical System Rating, Volts .................. 12
Charging System .................. Alternator
Alternator Rating, Amps .................. 65

Drive Train

Drive System Type .................. Hydrostatic, 4 wheel drive
Number of Gears .................. Single
Drive Pump Type .................. Tandem, axial piston
Chain Drive Type .................. 80HT continuous roller chain
Brakes Type .................. Independent wet disc
Final Drive Type .................. Single-reduction chain drive
Tire Size (Std) .................. 10x16.5
Tire Size (Opt) .................. 13x16.5
Chain Case Oil Capacity (per side), qts (L) .................. 5.0 (4.7)
Forward Speed (Max), mph (kph) .................. 6.2 (10.0)
Reverse Speed (Max), mph (kph) .................. 6.2 (10.0)

Hydraulic System

Hydraulic System Type .................. Open center
Hydraulic Pump Type .................. Gear
Pump Flow, gpm (Lpm) .................. 15.3 (57.9)
System Pressure, Bar (psi) .................. 159 (2300)
Hydraulic Reservoir Capacity, gal (L) .................. 5.7 (21.8)
Hydraulic System Capacity, gal (L) .................. 10.5 (39.8)
Number of Valves .................. 2

Loader Performance

Rated Operating Capacity, lbs (kg) .................. 1400 (635)
Tipping Load, lbs (kg) .................. 2800 (1270)
Boom Lifting Force, lbs (kg) .................. 2773 (1260)
Bucket Breakout Force, lbs (kg) .................. 3065 (1395)
Loader Boom Type .................. Radial-lift

Dimensions and Weight

Wheelbase, in (mm) .................. 37 (940)
Height (Operator Cab), in (mm) .................. 77 (1960)
Height (Boom Raised), in (mm) .................. 145.5 (3690)
Length (w/o Bucket), in (mm) .................. 96.5 (2450)
Length (Bucket On Ground), in (mm) .................. 125 (3180)
Width (w/o Bucket), in (mm) .................. 47 (1225)
Height to Hinge Pin (Fully Raised), in (mm) .................. 110.5 (2810)
Dump Angle At Max Height, deg .................. 42.5
Dump Height (Fully Raised), in (mm) .................. 84 (2130)
Dump Reach At Max Height, in (mm) .................. 22 (560)
Rollback Angle At Ground Level, deg .................. 29
Rollback Angle At Max Height, deg .................. 100
Departure Angle, deg .................. 26.5
Bucket Width, in (mm) .................. 54 (1370)
Ground Clearance, in (mm) .................. 6.5 (170)
Turning Radius (w/Bucket), in (mm) .................. 73 (1850)
Shipping Weight, lbs (kg) .................. 5000 (2270)
Operating Weight, lbs (kg) .................. 5560 (2520)