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Home / Lawn and Garden Tractors / John Deere Lawn Tractors / John Deere LX178

John Deere LX178 Maintenance

The John Deere LX178 is a LX100 series lawn tractor. This model manufactured from 1991 to 1998. The John Deere LX178 powerline components: Kawasaki FD440V 4-Stroke OHV V-Twin cylinder air-cooled gasoline engine and Tuff Torq K61 belt-driven hydrostatic transmission with infinite forward and reverse gears.

A 26.7 cubic inches (437 cc) engine has a cylinder bore of 2.64" (67 mm), piston stroke of 2.44" (62 mm), and rated power of 15 hp (11.2 kW). The maximum travel speed (forward and reverse): 5.5 mph (8.8 km/h) / 2.5 mph (4 km/h). The tractor is equipped with a manual steering system, mechanical band brakes, 15x6.00-6 front tires, and 20x10.00-8 rear tires. The wheelbase is 46.7" (1180 mm).

The John Deere LX178 is compatible with the following attachments: a 38" mid-mount 2-blade right-discharge mower deck with cutting height of 1.5-4.0 in (38-102 mm) and manual lift system, 44" mid-mount 3-blade rear-discharge mower deck with cutting height of 1.0-4.0 in (25-102 mm) and mechanical lift system, 38", 42" front-mount single-stage snowblower, and 42" front-mount blade with lift height of 5 in (125 mm).

Refill Capacities
Engine oil capacity, qts (L) 1.6 (1.5)
Engine coolant capacity, qts (L) 2.8 (2.6)
Transmission fluid capacity, qts (L) 3.5 (3.3)
Fuel tank capacity, gal (L) 2.5 (9.5)

Recommended Oil and Fluid
Engine oil type Turf-Gard, Plus-4, SAE 10W-30, 10W-40, 5W-30. API Service category SG, SF or higher
Engine coolant type Ethylene Glycol Base Coolant
Transmission fluid type Tuff Tech Oil, SAE 10W-30 API Service category SE, CC, or CD

Service Intervals
Check fuel level Every 10 hours
Check engine oil level Every 10 hours
Check engine coolant Every 10 hours
Check and tighten loose hardware Every 10 hours
Check tire pressure and brakes Every 25 hours
Lubricate front axle pivot Every 25 hours
Lubricate front wheel spindles Every 25 hours
Lubricate mower spindles Every 25 hours
Clean air filter element and precleaner Every 25 hours
Check transmission fluid Every 25 hours
Check and clean battery terminals Every 25 hours
Clean radiator fins Every 50 hours
Clean spark plug Every 50 hours
Sharpen or replace mower blades Every 50 hours
Check and adjust mower drive belt Every 50 hours
Clean mower deck Every 50 hours
Check and level mower deck Every 50 hours
Change engine oil Every 100 hours
Charge battery Every 100 hours
Clean spark plug Every 100 hours
Replace engine oil filter Every 200 hours
Replace fuel filter Every 200 hours
Change transmission fluid Every 200 hours
Check engine idle speeds Every 200 hours
Replace air filter element and precleaner Every 300 hours
Replace spark plug Every 300 hours
Check carburetor adjustment Every 300 hours
Check and adjust valve clearance Every 300 hours
Flush cooling system and add new coolant Every 400 hours

Replacement Parts
Engine oil filter part number AM107423
Engine fuel filter part number AM116304
Engine air filter part number M115978 (Paper), M96846 (Foam)
Spark plug part number M71939
Mower blade part number (38" Deck) M82408, M84472, M83459
Mower blade part number (44" Deck) M119798, M119799
Traction drive belt part number M110978
Mower drive belt part number (38" Deck) M77988, M82462
Mower drive belt part number (44" Deck) M119696, M115776

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