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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureKomatsu D20A-3DozerZettelmeyer ZL402Dozer
TypeCrawler DozerWheel Loader
Horsepower26.1 kW27.1 kW
Operating Weight3330.0 kg3401.9 kg
Engine ManufacturerKomatsu—
Engine Model4 D95-1AKHD F 3 L 1011
Gross Power26.1 kW28.0 kW
Number of Cylinders4—
Displacement2600.6 cc2048.4 cc
Power Measured RPM2450 RPM—
Transmission TypeDirect DrivePower shift
Number of Forward Gears3—
Number of Reverse Gears2—
Max Speed Forward7.4 km/h—
Max Speed Reverse6.6 km/h—
Ground Pressure0.3 bar—
Fuel Capacity60.2 l42.0 l
Cooling System Capacity14.0 l—
Cab Height210.3 cm243.8 cm
Width Over Track155.4 cm—
Length Overall347.5 cm—
Length without Blade246.9 cm—
Length of Track on Ground167.6 cm—
Track Gauge121.9 cm—
Ground Clearance33.5 cm30.5 cm
No of Shoes Per Side37—
No of Track Rollers Per Side5—
Shoe Size30.2 cm—
Weight (Operating)3330.0 kg—
Track Pitch13.7 cm—
Weight—3401.9 kg
Tipping Capacity—2499.3 kg
Max Speed—20.1 km/h
No Of Cylinders—3
Aspiration—Naturally
Alternator Supplied Amperage—60 amps
Operating Voltage—12 V
Rated Speed—2300 RPM
Torque Speed—1800 RPM
Net Power—27.1 kW
Peak Torque—114.0 N-m
Engine Oil Capacity—7.2 l
Hydraulic System Capacity—60.2 l
Differential Front Capacity—5.7 l
Differential Rear Capacity—8.3 l
No of Forward Gears—2
No of Reverse Gears—2
Rear Axle Oscillation—20 °
Max Speed (Forward)—20.1 km/h
Max Speed (Reverse)—20.1 km/h
Pump type—Gear
Pump Flow—32.2 LPM
Relief Pressure—210.3 bar
Raise Lift Arms—6 sec
Lower Lift Time—5 sec
Bucket Dump Time—2.5 sec
Tipping Load—2499.3 kg
Bucket Capacity (Heaped)—0.5 m³
Bucket Width—152.4 cm
Breakout Force—3365.7 kg
Reach At Max Lift And Dump—61.0 cm
Dump Clearance At Max Raise—243.8 cm
Turning Radius—365.8 cm
Wheelbase—182.9 cm
Bucket Hinge Pin—304.8 cm
Overall Length—457.2 cm
Width Over Tires—152.4 cm
Tire Size—10.5-18
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051