Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 5078E Specs

John Deere 5078E Engine Specifications

Engine Model - John Deere PowerTech 4045H
Engine Power at Rated Speed - 57.37 kW (77 HP)
Engine Type - In-line Diesel Engine, Four Stroke
Aspiration - Turbocharged Charge Air Cooler
Number of Cylinders - 4
Displacement - 4.5 L
Compression Ratio - 18.6:1
Low Idle Speed - 900 RPM
Rated Engine Speed - 2400 RPM
Engine Maximum Speed - 2600 RPM
Torque Bulge - 25%
Maximum Torque - 300 Nm (221.3 lb-ft)
Speed at Maximum Torque - 1600 RPM
Injection Pump - Rotary Injection Pump
Fuel Transfer Pump - Electric
Filtering System - Three-stage with Water Separator
Voltage - 12 V
Alternator Capacity - 90 A
Battery Type - Sealed
Battery Capacity - 100 Ah
Starter Motor - 4 kW
Worklights (Standard) - Halogen
Worklights (Premium) - LED

JD 5078E Power Take-Off

Type - Independent
Actuation - Mechanical
PTO Power at Engine Rated Speed - 45.7 kW (61.69 HP)
PTO Rated Speed - 540 RPM
Engine Speed at PTO Rated Speed - 2083 RPM
Engine Speed at PTO-E Rated Speed - 1588 RPM

John Deere 5078E Transmission

Transmission Type (Standard) - Top Shaft Synchronized
Number of Gears (Foward / Reverse) - 9 / 3
Foward Speeds, km/h (mph) - 2.3 (1.4) - 28.8 (17.9)
Revers Speeds, km/h (mph) - 3.2 (1.9) - 20.4 (12.7)
Transmission Type (Optional) - PowrReverser
Number of Gears (Foward / Reverse) - 12 / 12
Foward Speeds, km/h (mph) - 1.7 (1.1) - 35.1 (21.8)
Revers Speeds, km/h (mph) - 1.8 (1.2) - 38.3 (23.8)
Clutch - Mechanical / Eletro-hydraulic
Clutch Type - Double Disk
Diameter of Disk - 280 mm (11 in)

John Deere 5078E Axles and Brakes

Front Axles Type - 4x4
Activation - Mechanical
Suspension - No
Differential Lock - Automatic
Limited-slip Differential - Yes
Working Pressure - 15 000 kPa (150 bar) (2175.6 psi)
Rear Axle Type - Flanged
Rear Axle Final Drive - Planetary, Internally Mounted
Differential Lock - Mechanical
Service Brake - Disk-in-Oil Bath, Auto-adjustable, Hydraulically Actuated
Park Brake - Transmission Lock, Engaged by Gearshift Lever

JD 5078E Hydraulics and Hitch

Hydraulic System Type - Open Center
Pump Type - Gear Pump
Pump Flow Rate - 47 L/min (12.4 gal/min)
Maximum Pressure - 20 000 kPa (200 bar) (2900 psi)
Steering System - Hydrostatic System with Exclusive Pump
Steering Pump Flow Rate - 26 L/min (6.9 gal/min)
Standard Selective Control Valves - 2 SCV
Optional Stackable Selective Control Valves - 2 SCV / 3 SCV
Rear Hitch Category - 2, Ball Joint Type
Sensor - Center Link
Lifting Capacity on Ball Joints - 1890 kgf/2140 kgf
Lifting Capacity at 610 mm (2 ft) of Hitch (NBR13145) - 1800 kgf/2025 kgf

Tire Sizes

Front Tires - 14.9-24 R2 8PR
Front Tires - 14.9-24 TT R1 8PR
Front Tires - 320/85 R24
Rear Tires - 23.1-26 R2 FL 10PR
Rear Tires - 23.1-26 R1 FL 12PR
Rear Tires - 460/85 R30

John Deere 5078E Capacities

Fuel Tank (Open Operator’s Station) - 115L (30.38 gal)
Fuel Tank (Cab) - 125L (33.02 gal)
Cooling System - 18L (4.75 gal)
Engine Oil (with Filter) - 13L (3.43 gal)
Transmission/Hydraulic System (9F/3R Transmission) - 40L (10.57 gal)
Transmission/Hydraulic System (12F/12R Transmission) - 43.5L (114.91 gal)
Front Axle Total Capacity - 5.6L (14.79 gal)
Front Axle Differential Housing - 4L (1.06 gal)
Front Axle Final Drive Housing (each) - 0.8L (2.11 gal)

512 Loader Specifications

Height (to pin) - 114 inches (289 cm)
Clearance, dumped bucket - 85 inches (215 cm)
Dump reach - 26 inches (66 cm)
Dump angle - 57
Reach at ground - 68 inches (172 cm)
Rollback at ground - 23
Breakout force (at pin) - 4,775 lbs (2165 kg)
Breakout force (at 800mm) - 3,250 lbs (1474 kg)
Lift to full height (at pin) - 2,453 lbs (1112 kg)
Lift to full height (at 800mm) - 1,580 lbs (716 kg)
Lift to 1.5m (at pin) - 3,236 lbs (1467 kg)
Lift to 1.5m (at 800mm) - 2,343 lbs (1062 kg)
Bucket width - 73 inches (185 cm)

Dimensions and Weights

Wheel Base - 2182 mm (7.16 ft)
Total Length without Front Weights and Pickup Hitch - 3468 mm (11.40 ft)
Total Length with Front Weights and Pickup Hitch - 4175 mm (13.70 ft)
Maximum Height - 2803 mm (9.20 ft)
Width of the Flanged Rear Axle - 1454 mm (4.80 ft)
Machine Total Weight without Ballast - 3336 kg (7355 lb)
Maximum Weight with Ballast - 4500 kg (9920 lb)

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