John Deere 643L-III Wheel Loader Specs

Category: Wheel Loaders ➔
Manufacturer: John Deere ➔
Model: 643L-III ➔

Cooling

John Deere 643L-III Wheel Loader Cooling specifications
Cooling System Type	Heavy-duty radiator with continuous deaeration tank and recovery reservoir - Starting 2026
Fan Drive Type	Hydraulic, variable speed, reversing - Starting 2026

Electrical

John Deere 643L-III Wheel Loader Electrical specifications
Alternator Rating	150.0 amp - Starting 2026
Battery Capacity (Each)	950.0 CCA - Starting 2026
Lights (Optional)	14 - Starting 2026
Number Of Batteries	2 - Starting 2026
Total Voltage	24.0 v - Starting 2026
Voltage Per Battery	12.0 v - Starting 2026

Final Tier 4/EU Stage V Engine

John Deere 643L-III Wheel Loader Final Tier 4/EU Stage V Engine specifications
Air Cleaner	Dual stage with safety element and dust-unloader valve - Starting 2026
Aspiration	Turbocharged and charge-air cooled - Starting 2026
Cylinders	6 - Starting 2026
Engine Bore And Stroke	4.14 x 5 inchXInch - Starting 2026
Engine Cold-Start System	Glow plugs - Starting 2026
Engine Displacement	415.00 cu in (6,800.65 cu cm) - Starting 2026
Fuel System	High-pressure common rail - Starting 2026
Gross Power	219.00 hp (163.31 kw) - Starting 2026
Gross Torque	680.00 lbs ft (921.94 nm) - Starting 2026
Manufacturer	John Deere - Starting 2026
Non-road Emission Standards	EPA Final Tier 4/EU Stage V - Starting 2026
Speed Gross Power	1900.0 rpm - Starting 2026
Speed Gross Torque	1600.0 rpm - Starting 2026
Valves Per Cylinder	4 - Starting 2026

Hydraulics

John Deere 643L-III Wheel Loader Hydraulics specifications
Main Pump Type	Open circuit, axial piston, variable displacement - Starting 2026
Maximum Displacement (Per Revolution)	5.49 cu in (89.97 cu cm) - Starting 2026

Machine Dimensions

John Deere 643L-III Wheel Loader Machine Dimensions specifications
Ground Clearance	19.00 in (48.26 cm) - Starting 2026
Overall Height	126.60 in (321.56 cm) - Starting 2026
Overall Length (Less Felling Head)	247.70 in (629.16 cm) - Starting 2026
Overall Width With 28-in. Tires And 1400 Axles	114.70 in (291.34 cm) - Starting 2026
Tire Size Used For Measuring Machine Dimensions	28L-26 - Starting 2026
Wheelbase	119.00 in (302.26 cm) - Starting 2026

Operating Weight

John Deere 643L-III Wheel Loader Operating Weight specifications
Machine Weight Less Felling Head	30,704.00 lbs (13,927.12 kg) - Starting 2026
Machine Weight With FD22B Single-Post Disc Saw	37,659.00 lbs (17,081.86 kg) - Starting 2026
Machine Weight With FD45 Twin-Post Disc Saw	36,120.00 lbs (16,383.78 kg) - Starting 2026
Machine Weight With FD55 Twin-Post Disc Saw	37,480.00 lbs (17,000.66 kg) - Starting 2026

Powertrain

John Deere 643L-III Wheel Loader Powertrain specifications
Articulation Angle	45.0 degree (angle) - Starting 2026
Axle Options	1400 Extreme Duty and 1400 Super Wide Extreme Duty (SWEDA™) - Starting 2026
Axles Differential (Front And Rear)	Hydraulic-locking, operated-on-the-go, closed-center differential lock - Starting 2026
Front Axle Oscillation, Stop To Stop	30.0 degree (angle) - Starting 2026
Maximum Speed With 28L-26 Tires High Gear	10.80 mph (17.38 kph) - Starting 2026
Maximum Speed With 28L-26 Tires Low Gear	5.00 mph (8.05 kph) - Starting 2026
Parking Brake	Automatically spring-applied, hydraulically released, sealed and lubricated, wet multi-disc - Starting 2026
Service Brakes	Inboard mounted, wet disc, oil cooled, self-adjusting and self-equalizing front and rear axles - Starting 2026
Speed Ranges, Forward And Reverse	2 - Starting 2026
Steering Type	Fully hydraulic, joystick - Starting 2026
Transmission Type	Infinitely variable hydrostatic with 2-speed gearbox - Starting 2026

Refill Capacities

John Deere 643L-III Wheel Loader Refill Capacities specifications
Diesel-Exhaust Fluid (DEF)	5.20 gal (19.68 l) - Starting 2026
Fuel Tank	104.60 gal (395.91 l) - Starting 2026
Hydraulic Reservoir	44.70 gal (169.19 l) - Starting 2026

Shipping Dimensions

John Deere 643L-III Wheel Loader Shipping Dimensions specifications
Felling Head Used To Measure Shipping Dimensions	FD45 - Starting 2026
Overall Height	126.60 in (321.56 cm) - Starting 2026
Overall Length (With Felling Head)	289.00 in (734.06 cm) - Starting 2026
Overall Width With 28-in. Tires And 1400 Axles	114.70 in (291.34 cm) - Starting 2026
Tire Size Used For Measuring Shipping Dimensions	28L-26 - Starting 2026

Tier 3/EU Stage IIIA Engine

John Deere 643L-III Wheel Loader Tier 3/EU Stage IIIA Engine specifications
Air Cleaner	Dual stage with safety element and dust-unloader valve - Starting 2026
Aspiration	Turbocharged and charge-air cooled - Starting 2026
Cylinders	6 - Starting 2026
Engine Bore And Stroke	4.17 x 5 inchXInch - Starting 2026
Engine Cold-Start System	Glow plugs - Starting 2026
Engine Displacement	415.00 cu in (6,800.65 cu cm) - Starting 2026
Fuel System	High-pressure common rail - Starting 2026
Gross Power	240.00 hp (178.97 kw) - Starting 2026
Gross Torque	737.00 lbs ft (999.22 nm) - Starting 2026
Manufacturer	John Deere - Starting 2026
Non-road Emission Standards	EPA Tier 3/EU Stage IIIA - Starting 2026
Speed Gross Power	1900.0 rpm - Starting 2026
Speed Gross Torque	1600.0 rpm - Starting 2026
Valves Per Cylinder	4 - Starting 2026

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