Service parts for the TJUG25
Grouped by system, with how many of each the parts manual calls for.
Electrical
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 25 kW |
| Prime power | 25 kW |
| Oil capacity | 3.8 L |
| Alternator | TAL042A (Class H insulation) |
| Voltage options | 480/277 V, 208/120 V |
| Phase | 3 |
| Rated current | [38, 87] A |
| Power factor | 0.8 |
Same engine, other brands
1 brandThe 2.4L in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Generac | 2.4 L |
Maintenance & consumables
for the 2.4L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 30 hr | |||
| Oil filter | Full Flow Spin-on Cartridge | — | 30 hr | ||
| Battery | Group 24F, 12 Volt; max dimensions 273 mm x 173 mm x 229 mm | 058208S | 1800 hr | eBay | |
| Belt | Belt deflection 3/8 - 5/8 in (7.6 - 12.7 mm) | — | 1000 hr | ||
| Coolant | Generac 50/50 ethylene glycol type; do not use propylene glycol | 9.5 liters | — | 5040 hr | |
| Oil | 5W-20 (Generac proprietary 5W-20 Synthetic after 30 hour break-in) | 3.8 liters | — | ||
| Spark plug | Gap 1.07-1.17 mm (2.4L), 0.9 mm (1.5L), 0.71 mm (32/38 kW, 60 kW) | — | 3600 hr |
Common questions
What size generator is the Teksan TJUG25?
The Teksan TJUG25 is rated 25 kW standby.
What engine is in the Teksan TJUG25?
The Teksan TJUG25 is powered by the 2.4L engine.
What kind of fuel does the Teksan TJUG25 run on?
The Teksan TJUG25 runs on Gas.
How much oil does the Teksan TJUG25 take?
The None 2.4L engine in the Teksan TJUG25 has an oil capacity of 3.8 liters.
What is the coolant capacity of the Teksan TJUG25?
The Teksan TJUG25 cooling system holds 9.5 liters (2.5 US gallons) for the engine, per the manufacturer specification sheet.
What voltages is the Teksan TJUG25 available in?
The Teksan TJUG25 is offered in 480/277 V, 208/120 V, 3-phase.
What alternator comes on the Teksan TJUG25?
The Teksan TJUG25 uses a TAL042A alternator. Insulation class H.
Parts
70| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0G0190 | PLATE, AIR CLEANER TOP 2.4L | 1 | Plate air cleaner top | Amazon eBay |
| 1.5L | Engine | 1 | Engine | buy |
| 240976 | Switch, high temperature 268298 Sender, temperature | 1 | Sensor | Amazon eBay |
| 240977 | Switch, anticipatory | Sensor | Amazon eBay | |
| 241063 | Gasket | Gasket | Amazon eBay NAPA $0.52 | |
| 241927 | Sensor, speed | 1 | Sensor | Amazon eBay $75.00 |
| 264390 | Sender, oil pressure | 1 | Sensor | Amazon eBay |
| 265484 | Line, flex. fuel, 41” | 2 | Hose | Amazon eBay |
| 268298 | Sender, water temperature | 1 | Sensor | Amazon eBay |
| 271425 | Switch, anticipatory low oil pressure | 1 | Sensor | Amazon eBay $100.79 NAPA $182.69 |
| 271500 | Line, flex. fuel | Hose | Amazon eBay | |
| 271662 | Alternator Assembly | 1 | Sensor | eBay |
| 280007 | Gasket, flange | 1 | Gasket | Amazon eBay |
| 280494 | Gasket, carburetor | 1 | Gasket | Amazon eBay |
| 285498 | Hose, molded | Hose | Amazon eBay | |
| 285501 | Gasket, flange | Gasket | Amazon eBay | |
| 285722 | Hose, upper molded | Hose | Amazon eBay | |
| 285957 | Line. flex. fuel | Hose | Amazon eBay | |
| 286272 | Gasket, thermostat housing | Gasket | Amazon eBay | |
| 287387 | Switch, pressure | Sensor | Amazon eBay | |
| 290090 | Switch, low water temperature | 1 | Sensor | Amazon eBay |
| 36100022-12 | Air Filter | 1 | Air filter | Amazon eBay |
| 4024T | Engine model | Engine | Amazon eBay $6600.00 FridayParts $119.60 | |
| 800409 | Camshaft oil seal | Seal | Amazon eBay | |
| 800412 | (), install a new valve stem seal. | Seal | Amazon eBay | |
| 82194 | Maker pt# or equivalent | Gasket | Amazon eBay | |
| A-287769 | Board, photo sensing | Sensor | Amazon eBay | |
| A-291420 | Pump, fuel | Pump | Amazon eBay | |
| A0000019001 | All Surface Protectant | 1 | Fluid | Amazon eBay |
| O17024BR | End Brush | Air filter | Amazon eBay | |
| X-386-36 | Hose, overflow | Hose | Amazon eBay | |
| X-504-13 | Hose, flex fuel | Hose | Amazon eBay | |
| 058208S | Recommended BatteryF, 12 Volt | 1 | Service part / kit | eBay |
| 077483S | Recommended Battery Volt (1.5L, 2.4L engines) | 1 | Service part / kit | Amazon eBay |
| 0G6093E | FLEX PLATE 2 POLE 2.4L G2 | 1 | Service part / kit | Amazon eBay |
| 0K8624-D | 22/27 kW (2.4 L) | 1 | Service part / kit | Amazon eBay |
| 0K8636-C | 36/45 kW (2.4 L) | 1 | Service part / kit | Amazon eBay |
| 290265 | Kit, carburetor repair | Service part / kit | Amazon eBay | |
| 800397 | Oil pan remover | Service part / kit | Amazon eBay | |
| 800398 | Moment wrench | Service part / kit | Amazon eBay FridayParts $29.99 | |
| 800399 | () as shown in the illustration. | Service part / kit | Amazon eBay | |
| 800400 | Leak-down tester | Service part / kit | Amazon eBay FridayParts $151.50 | |
| 800401 | Lash adjuster | Service part / kit | Amazon eBay | |
| 800402 | Air bleed wire | Service part / kit | Amazon eBay | |
| 800403 | Lash | Service part / kit | Amazon eBay | |
| 800404 | Sprocket stopper | Service part / kit | Amazon eBay | |
| 800405 | End yoke holder | Service part / kit | Amazon eBay | |
| 800406 | Pins | Service part / kit | Amazon eBay | |
| 800407 | Tension | Service part / kit | Amazon eBay | |
| 800408 | Oil pressure switch | Service part / kit | Amazon eBay | |
| 800410 | () tighten the bolts to the specified torque | Service part / kit | Amazon eBay | |
| 800411 | Valve | Service part / kit | Amazon eBay $165.00 | |
| 800413 | Plug wrench | Service part / kit | Amazon eBay | |
| 800414 | Plug | Service part / kit | Amazon eBay | |
| 800415 | Silent shaft bearing | Service part / kit | Amazon eBay FridayParts $54.50 | |
| 800416 | Silent shaft bearing | Service part / kit | Amazon eBay FridayParts $47.90 | |
| 800417 | Bearing | Service part / kit | Amazon eBay | |
| 800418 | Silent shaft bearing | Service part / kit | Amazon eBay FridayParts $25.00 | |
| 800419 | Crankshaft front oil | Service part / kit | Amazon eBay FridayParts $105.99 | |
| 800420 | Crankshaft front oil | Service part / kit | Amazon eBay | |
| 800421 | Piston pin setting | Service part / kit | Amazon eBay | |
| 800422 | Handle | Service part / kit | Amazon eBay | |
| 800423 | Crankshaft rear oil | Service part / kit | Amazon eBay | |
| 800425 | 13. Rotate special tool Set screw () until | Service part / kit | Amazon eBay | |
| 800426 | (), as illustrated, to compress the valve | Service part / kit | Amazon eBay | |
| A-290538 | Block heater | Service part / kit | Amazon eBay | |
| A-290885 | Heater, block (240V) | Service part / kit | Amazon eBay | |
| D05223ST | Engine Repair Stand (Heavy Duty) | 1 | Service part / kit | Amazon eBay |
| DSE7310 | Control Panel | Service part / kit | Amazon eBay FridayParts $276.00 | |
| GM6277 | Note 2 = PSI Requires the use of coolant that meets specification M, we do not recommend mixing cool | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.