John Deere 5105 Tractor

Manufacturer John Deere
Price -
Model 5105
Equipment Type Utility Tractors
Factory Augusta, Georgia, USA

NEBRASKA TRACTOR TEST 1770

Description Diesel 8-speed 4WD/May 2 - 17, 2000/Link: Nebraska Tractor Test 1770 file/PTO performance
Power at rated engine speed 40.58 hp/30.3 kW
Fuel use 2.4 gal/hour/9.1 l/hour
Power at rated PTO speed 40.69 hp/30.3 kW

NEBRASKA TRACTOR TEST 1838

Description Diesel 8-speed 2WD/May 26 - 27, 2004/Link: Nebraska Tractor Test 1838 file/PTO performance
Max power 47.56 hp/35.5 kW
Fuel use 2.8 gal/hour/10.6 l/hour
Power at rated engine speed 45.85 hp/34.2 kW
Power at rated PTO speed 47.15 hp/35.2 kW

JOHN DEERE 5105 POWER

Engine 45.6 hp/34.0 kW
PTO (claimed) 40 hp/29.8 kW/44 hp/32.8 kW (after SN 512000)
PTO (tested) 47.56 hp/35.5 kW

ENGINE DETAIL

The John Deere 5105 tractor features a robust 2.9 L, 3-cylinder diesel engine with a compression ratio of 17.4:1, optimizing fuel efficiency and power output at 45.6 hp (50 hp after SN 512000). Designed for versatility, it operates efficiently within a rated RPM range of 1400-2300, making it suitable for various agricultural tasks while ensuring low idle RPM of 825-2500 for effective engine management. Key considerations include maintaining the optimal valve clearances of 0.014 inches (intake) and 0.018 inches (exhaust) for optimal performance and longevity.

Description John Deere 3029D/diesel/3-cylinder/liquid-cooled
Displacement 179 ci/2.9 L
Bore/Stroke 4.17x4.33 inches/106 x 110 mm
Power 45.6 hp/34.0 kW/50 hp/37.3 kW (after SN 512000)
Air cleaner dual dry element
Compression 17.4:1
Rated RPM 2300
Idle RPM 825-2500
Operating RPM 1400-2300
Firing order 1-2-3
Starter volts 12
Coolant capacity 10 qts/9.5 L
Intake valve clearance 0.014 inches/0.356 mm
Exhaust valve clearance 0.018 inches/0.457 mm

ENGINE OIL

The John Deere 5105 tractor has an oil capacity of 7.5 liters, ensuring optimal lubrication and extended engine life through improved oil circulation. A potential challenge can arise during oil changes if the recommended oil type is not adhered to, as it can impact engine performance and longevity. Regular monitoring of oil levels is crucial, especially during prolonged operations, to prevent lubrication issues that could lead to costly repairs.

Description
Oil capacity 7.9 qts/7.5 L

JOHN DEERE 5105 ENGINE

The John Deere 5105 features a robust 2.9L 3-cylinder diesel engine, providing a balance of power and fuel efficiency ideal for small to medium agricultural operations. Key advantages include strong torque delivery and reliability, which enhance its performance in varied field conditions. However, its smaller engine may struggle with heavier implements, making it less suitable for larger-scale farming scenarios.

Description John Deere 2.9L 3-cyl diesel

TRANSMISSION

The John Deere 5105 features a partially synchronized SyncReverser transmission, offering 8 forward and 4 reverse gears, ideal for versatility in various agricultural tasks. Its dry disc clutch requires the tractor to be stopped for shifting speeds or ranges, which may slow operations in certain scenarios but provides more control during gear engagement. With a substantial oil capacity of 34 qts (32.2 L), this tractor can support extended operational periods, though periodic maintenance is essential to ensure optimal performance.

Transmission SyncReverser
Type partially synchronized
Gears 8 forward and 4 reverse
Clutch dry disc
Oil capacity 34 qts/32.2 L
Description Controlled with foot clutch, plus range speed levers. Four speeds and two forward ranges, plus reverse range. Tractor must be stopped, and clutch used, to shift speed or range. Reverse range to forward A-range may be shifted while tractor tractor is in motion.

SPEEDS

Description With 14.9-28 rear tires./

MECHANICAL

The John Deere 5105 tractor features a 4x2 or optional 4x4 MFWD configuration, offering versatility in traction depending on terrain requirements. The hydrostatic power steering provides ease of maneuverability, while the differential mechanical wet disc brakes enhance stopping power under varied load conditions. Its 8-speed partially synchronized transmission allows for smooth gear transitions, making it well-suited for tasks that require frequent speed adjustments, such as tilling or hauling.

Chassis 4x2 2WD/4x4 MFWD 4WD
Steering hydrostatic power
Brakes differential mechanical wet disc
Cab ROPS.
Transmission 8-speed partially synchronized

CAPACITY

Fuel 22.4 gal/84.8 L
Hydraulic system 8.5 gal/32.2 L
Front axle 4.8 qts/4.5 L
Front hubs 0.53 qts/0.5 L

HYDRAULICS

Type open center
Capacity 8.5 gal/32.2 L
Pressure 2800 psi/193.1 bar
Valves 4
Pump flow 10.9 gpm/41.3 lpm
Steering flow 6.5 gpm/24.6 lpm
Steering press. 1900 psi/131.0 bar

TRACTOR HITCH

Rear Type II/I
Rear lift (at 24"/610mm) 2,990 lbs/1356 kg

POWER TAKE-OFF (PTO)

Rear PTO independent
Rear RPM 540

JOHN DEERE 5105 TIRES

The John Deere 5105 offers both 2WD and 4WD configurations, with 2WD providing a standard tire size of Front: 7.5-16 and Rear: 14.9-28, suited for general agricultural tasks on well-drained fields. The 4WD variant, featuring Front tires of 9.5-24 and the same Rear tires, enhances traction and stability on varied terrain, making it ideal for challenging conditions, such as wet or uneven surfaces. However, the 4WD option may result in higher operational costs and increased tire wear in predominantly flat, dry fields, necessitating scenario-based selection depending on the specific agricultural needs.

2WD Standard tires (ag) Front: 7.5-16. Rear: 14.9-28
4WD Standard tires (ag) Front: 9.5-24. Rear: 14.9-28

DIMENSIONS

Wheelbase 76.8 inches/195 cm
Length 108.9 inches/276 cm (2WD)/128.4 inches/326 cm (4WD)
Width 69 inches/175 cm
Ground clearance 16.7 inches/42 cm

JOHN DEERE 5105 WEIGHT

Shipping 3,850 lbs/1746 kg (2WD)/4,275 lbs/1939 kg (4WD)
Operating 4,125 lbs/1871 kg (2WD ROPS)/4,500 lbs/2041 kg (4WD ROPS)

JOHN DEERE 5105 HEIGHT

Steering wheel 61.1 inches/155 cm
Hood 51.3 inches/130 cm
ROPS 90.4 inches/229 cm/74.8 inches/189 cm (folded)

DIMENSIONS & TIRES

The John Deere 5105 tractor features a compact wheelbase of 76.8 inches, providing excellent maneuverability in tight farming spaces. With a weight range of 3850 to 4500 pounds, it balances stability and agility, making it suitable for various agricultural tasks. However, the 2WD configuration may limit traction on uneven terrain compared to 4WD models, which is a consideration for operations in challenging soil conditions.

Wheelbase 76.8 inches/195 cm
Weight 3850 to 4500 pounds
Front tire 7.5-16
2WD Rear tire 14.9-28

JOHN DEERE 521 LOADER

Height (to pin) 115 inches/292 cm
Clearance, dumped bucket 87.8 inches/223 cm
Dump reach 29 inches/73 cm
Dump angle 42°/
Reach at ground 62 inches/157 cm
Rollback at ground 23°/
Breakout force (lift) 3,035 lbs/1376 kg
Lift to full height (at pin) 2,094 lbs/949 kg
Bucket width 61 inches/154 cm

5105 SERIAL NUMBERS

Location On the right side of the 5105 tractor frame, above the front axle.
2000 110001
2001 210001
2002 310001
2003 410001
2004 510001
2005 610001
2006 710001
2007 810001
Description /how to read serial numbers.../

ELECTRICAL

Ground negative
Charging system alternator
Charging amps 40
Battery CCA 700 (early)/950 (late)
Battery volts 12
Battery Group 28H


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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