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Home / Wheel Loaders / Case Wheel Loaders / Case 621G

Case 621G Specifications

The Case 621G wheel loader is powered by 409 cu.in (6.7L) FPT F4H FE613W six-cylinder direct injection turbocharged liquid-cooled diesel engine with a rated power of 138 hp (103 kW) at 2000 rpm. The Case 621G is equipped with a 4x3 autoshift transmission, power steering system, hydraulic wet disc brakes, and 20.5R25 standard tires. The hydraulic system has a pump with fluid flow rate of 42.5 gpm (171 lpm). The hydraulic pressure is 3625 psi (250 bar). The wheel loader has a rated operating capacity of 12305 lbs (5580 kg) and tipping load of 24610 lbs (11160 kg). The max lift height is 150.9" (3835 mm) to hinge pin, and breakout force is 27280 lbs (12375 kg).

Engine Specs

Engine Model .................... FPT F4H FE613W
Engine Type .................... 4-cycle 6-cylinder liquid-cooled diesel
Number of Cylinders .................... Six, in-line
Displacement, cu.in (L) .................... 409 (6.71)
Cylinder Bore, in (mm) .................... 4.09 (104.0)
Piston Stroke, in (mm) .................... 5.19 (132.0)
Aspiration Type .................... Turbocharged and air-to-air cooled
Rated Engine Power, hp (kW) .................... 138.0 (103.0)
Rated Engine Speed, rpm .................... 2000
Maximum Torque, Nm (lb-ft) .................... 689 (508)
Torque Speed, rpm .................... 1300
Compression Ratio .................... 17.5:1
Firing Order .................... 1-5-3-6-2-4
Fuel System .................... Electronic
Injection System .................... Direct injection
Lubricating System .................... Forced lubrication
Oil Filter Type .................... Full-flow spin-on cartridge
Cooling System .................... Liquid-cooled
Air Cleaner Type .................... Double dry element
Emission Level .................... Tier 4 Final
Fuel Tank Capacity, gal (L) .................... 65.0 (246.0)
Oil Capacity, qts (L) .................... 13.9 (13.2)
Coolant Capacity, qts (L) .................... 28.4 (26.8)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 120

Standard Transmission

Transmission Type .................... Autoshift or Manual shift with Electronic Control Module
Gearbox Type .................... 4F/3R
Number of Forward Gears .................... 4
Number of Reverse Gears .................... 3
Torque Converter Type .................... Single stage
Torque Converter Ratio .................... 2.66:1
Oil Capacity, gal (L) .................... 7.0 (26.7)
Maximum Forward Speed, mph (kph) .................... 24.0 (38.6)
Maximum Reverse Speed, mph (kph) .................... 15.6 (25.0)

Optional Transmission

Transmission Type .................... Autoshift or Manual shift with Electronic Control Module
Gearbox Type .................... 5F/3R
Number of Forward Gears .................... 5
Number of Reverse Gears .................... 3
Torque Converter Type .................... Single stage
Torque Converter Ratio .................... 2.38:1
Oil Capacity, gal (L) .................... 7.0 (26.7)
Maximum Forward Speed, mph (kph) .................... 28.0 (45.1)
Maximum Reverse Speed, mph (kph) .................... 20.1 (32.4)

Wheels and Tires

Drive System Type .................... Four-wheel drive (4WD)
Steering Configuration .................... Articulated frame
Steering System .................... Power steering
Service Brakes Type .................... Hydraulic multiple wet disc
Front Tire Size (Std) .................... 20.5R25
Rear Tire Size (Std) .................... 20.5R25
Front Tire Size (Opt) .................... 20.5x25
Rear Tire Size (Opt) .................... 20.5x25

Hydraulic System

Hydraulic System Type .................... Closed center
Hydraulic Pump Type .................... Variable displacement, piston
Pump Capacity, gpm (Lpm) .................... 42.5 (171.0)
System Pressure, psi (Bar) .................... 3625 (250)
Hydraulic Tank Capacity, gal (L) .................... 24.0 (90.8)
Hydraulic System Capacity, gal (L) .................... 39.0 (147.6)

Loader Performance

Rated Operating Capacity (Straight), lbs (kg) .................... 12305 (5580)
Rated Operating Capacity (Full Turn), lbs (kg) .................... 10725 (4865)
Tipping Load (Straight), lbs (kg) .................... 24610 (11160)
Tipping Load (Full Turn), lbs (kg) .................... 21450 (9730)
Lift Capacity, lbs (kg) .................... 16440 (7460)
Breakout Force, lbs (kg) .................... 27280 (12375)

Dimensions and Weight

Maximum Operating Height .................... 194.5 (4940)
Maximum Lift Height To Hinge Pin, in (mm) .................... 150.9 (3835)
Height To Top Of Cab, in (mm) .................... 133.2 (3385)
Length With Bucket On Ground, in (mm) .................... 284.9 (7235)
Width (Tread Center), in (mm) .................... 76.8 (1950)
Width (Over Tires), in (mm) .................... 97.6 (2480)
Wheel Base, in (mm) .................... 114.2 (2900)
Ground Clearance, in (mm) .................... 15.3 (390)
Articulation Angle, deg .................... 40
Bucket Width, in (mm) .................... 102 (2590)
Bucket Capacity, cu.ft (m3) .................... 67.1 (1.90)
Digging Depth, in (mm) .................... 2.8 (72)
Dump Angle At Full Height, deg .................... 51
Rollback Angle At Full Height, deg .................... 55
Rollback Angle At Ground, deg .................... 40
Clearance With Bucket Dumped, in (mm) .................... 114.1 (2900)
Reach At Full Height, in (mm) .................... 36 (915)
Turning Radius (w/Bucket), in (m) .................... 226 (5.7)
Operating Weight, lbs (kg) .................... 28095 (12745)

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